US Bridges

LA0037 over Comite River

Fair

East Baton Rouge Parish, Louisiana · LA0037 · Structure no. 611702540203401

Built
1961
64 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
5 main spans
Daily traffic
22,627
2021 count
Owner
State
State Highway Agency

About this bridge

LA0037 over Comite River is a steel stringer/multi-beam or girder carrying LA0037 over Comite River in East Baton Rouge Parish, Louisiana. It was built in 1961, so it is 64 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 22,627 vehicles a day, roughly 9% of them trucks, projected to reach 24,889 by 2041. The structure is 302 ft (92 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0037
CrossesComite River
LocationLA0037
RouteState Highway 37
Coordinates30.50545, -91.04075
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length302 ft (92 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,627 (2021)
Projected traffic24,889 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0037 over Comite River built?

It was built in 1961, making it 64 years old in 2025.

What condition is LA0037 over Comite River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does LA0037 over Comite River carry?

About 22,627 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0037 over Comite River?

The structure is 302 ft (92 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns LA0037 over Comite River?

It is owned by the State Highway Agency.