Caddo Lake Bridge.jpg



STRUCTURE NO. 04090450112421

RECALL NO. 013970



Description of the Bridge

The Caddo Lake Bridge (Structure No. 04090450112421, Recall No. 013970, Louisiana Historic Resource Inventory [LHRI] No. 09-02134) is a multiple-span bridge featuring nine main low (or pony) Warren with polygonal top chord trusses and four reinforced concrete deck girder approach spans. It was constructed in 1940. It is located northeast of Mooringsport in Caddo Parish (approximately Latitude 32.702761, Longitude -93.945291). The overall bridge length is approximately 967 feet with a 24-foot clear roadway width.


National Register Eligibility

Through consultation between the Louisiana Department of Transportation and Development (LADOTD), the Federal Highway Administration (FHWA), the Louisiana State Historic Preservation Officer (LASHPO) and the Advisory Council on Historic Preservation (ACHP), the bridge has been determined eligible for the National Register of Historic Places (NRHP). This pony truss bridge was deemed eligible for inclusion on National Register under Criterion C: Engineering, because it embodies characteristics of the bridge type, few of which remain in Louisiana. The Caddo Lake Bridge retains all of its character-defining features, including the low Warren truss configuration, polygonal top chord, diagonal members, stringers, and connection methods. It maintains integrity of location, design, setting, materials, workmanship, feeling, and association.

Status of the Bridge

The bridge is owned by the Louisiana Department of Transportation and Development (DOTD) and is proposed to be replaced under State Project No. H.001166 and Federal Project No. H001166. The estimated replacement date is June 2023. The estimated project letting date is June 9, 2021.

As a mitigation stipulation for the Adverse Effect to this historic bridge, the steel trusses of the bridge are being marketed to another entity for historic preservation. If ownership of the steel trusses is not transferred to another entity for moving to another location for an alternate use, the steel trusses will be demolished along with the other portions of the bridge.

The Caddo Lake Bridge was included in LADOTD’s Historic Bridge Inventory and was categorized as a Non-Priority for Historic Preservation due to its poor condition and the probability that it could not be modified to meet transportation criteria and the U.S. Secretary of the Interior standards for the treatment of historic bridges. It was not included in the Programmatic Agreement among the FHWA, the LADOTD, the ACHP and the LASHPO regarding Management of Historic Bridges in Louisiana, executed August 25, 2015, (viewable at this web link due to the extensive rehabilitation necessary to have the bridge meet safety standards. This rehabilitation was deemed neither affordable nor feasible.

Re-use of the truss spans as a non-vehicular bridge is encouraged. It is not necessary that all spans be re-used together. Individual spans may be acquired. If you are interested in acquiring this bridge, in part or in whole, for adaptive, non-vehicular use please read the stipulations for bridge ownership transfer below. This bridge will be marketed until March 11, 2021. If ownership of the bridge is not transferred to another entity, it will be demolished. Contact Katherine Sinitiere at or 225-242-4509 by March 11, 2021 if you are interested in acquiring this bridge for non-vehicular, adaptive re-use or if you have questions on submitting a proposal.


Approximate Dimensions of the Bridge

This bridge is 967 feet in length with a 24-foot clear roadway. The main spans are comprised of six 80-foot steel low truss spans and three 100-foot low truss spans. The four approach spans are approximately 40 feet in length.

Funds for Adaptive Reuse of the Bridge

Funding that would be used for demolition of historic bridges can be used for its preservation at a new location. The estimated cost of demolition of the Caddo Lake Bridge is $680,000.00. The historic truss portion of the bridge contains lead paint. The estimated cost of lead paint abatement is $605,000.00. An amount not exceeding this estimated cost of demolition ($680,000.00) would be made available to the new owner as a reimbursement for relocation and historic preservation of the bridge. This would include lead paint abatement costs which would be considered a preservation activity and reimbursable.

Stipulations for Bridge Ownership Transfer

The entity receiving the bridge must agree to the following:

· The new owner would be charged the salvage value of the bridge which is estimated to be $104,000 (According to Title 7 Section 14(A) of the Louisiana Constitution, property or things of value of the state shall not be donated to or for any person, association, or corporation, public or private).

· The bridge has lead paint which will require abatement. The entity who acquires the bridge, or any portion thereof, will be responsible for lead paint abatement.

· The entity must accept full ownership and all financial and legal responsibilities, including, but not limited to, maintenance, liability, and permitting for the steel truss.

· The entity shall ensure that the transferred bridge, or any portion thereof, is closed to motorized vehicular traffic (e.g., cars and trucks).

· Relocation, reassembly and necessary permitting will be the responsibility of the entity taking ownership.

· The proposed use of the transferred bridge, or any portion thereof, will be subject to the approval of FHWA Louisiana Division (lead federal agency), LADOTD (lead state agency), and Louisiana State Historic Preservation Office (LASHPO).

· The entity will be required to execute a preservation agreement that will include the above stipulations.

Submitting a Proposal


Interested parties must submit a proposal to LADOTD in writing (either by email or letter) of their interest March 11, 2021. Please reference project number H.001166 in your proposal.

Send proposals:

Via email:

Via mail:

Louisiana Department of Transportation and Development

Section 28

P.O. Box 94245

Baton Rouge, LA 70804-9245

Attn: Katherine Sinitiere

The proposal must address:

Location and use: Where will the bridge be relocated, what will be its new use, and how it will be made accessible to the public?

Setting: Will the bridge continue to maintain a similar crossing as its original site, such as a water crossing or as a separation structure? Does the proposed relocation site have a similar setting as the original?

Assumption of responsibilities: The new owner must demonstrate understanding of the specific responsibilities they will take over when ownership is transferred, including title and insurance. The proposal must specifically discuss that the new owner will:

a) Maintain the bridge and the features that give the historic bridge its historic significance for a period of at least 20 years; and

b) Assume all future legal and financial responsibility for the historic bridge, which may include an agreement to hold the state transportation department harmless in any liability action.

Rehabilitation: Are there plans prepared for the rehabilitation of the structure on site? Do the plans meet the Secretary of the Interior Standard? In the case of disassembly, are disassembly plans prepared?

Requirements and studies: Describe any additional special requirements for the reuse of the bridge (e.g., if the bridge will be used for pedestrians, railing geometry and capacity restrictions for this use should be considered) and any additional studies or environmental clearances that are needed for the relocation, including potential archaeological survey of new site.

Cost estimate of the cost to relocate the structure and the reinstall at new site, including how funds will be obtained or raised.

Schedule: Outline of the proposed relocation schedule, addressing ability to have bridge off its current site by the scheduled replacement date (to be determined by LADOTD) and plans for temporary storage of the bridge, if needed.

Evaluation of Proposals

Proposals will be reviewed by a selected committee including representatives of LADOTD environmental and bridge staff, and the LA State Historic Preservation Office. Each proposal will be reviewed and evaluated based on how well it meets the above proposal criteria.

If the first choice in owner withdraws from the process prior to relocation, the bridge will not be re-marketed. Rather, the review committee's second choice in owner, if any, will be selected. The timeframe for relocation will not be re-started with the re-selection; however, a relocation extension may be granted at the owner's discretion. If there is no proposal that meets the above proposal criteria, then the bridge can be demolished.

Schedule for review of proposals

Proposals will be reviewed within 2 months of submittal deadline.

Additional information:

If you have questions about the bridge or the process of submitting a proposal, please contact Katherine Sinitiere at (225) 242-4509 or