US Bridges

LA0037 over US 61

Fair

East Baton Rouge Parish, Louisiana · 1.3 MI W of LA 946 · Structure no. 611702540103121

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
4 main spans
Daily traffic
20,370
2021 count
Owner
State
State Highway Agency

About this bridge

LA0037 over US 61 is a prestressed concrete stringer/multi-beam or girder carrying LA0037 over US 61 in East Baton Rouge Parish, Louisiana. It was built in 1968, so it is 57 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 20,370 vehicles a day, roughly 9% of them trucks, projected to reach 22,407 by 2041. The structure is 212 ft (64.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA0037
CrossesUS 61
Location1.3 MI W of LA 946
RouteState Highway 37
CountyEast Baton Rouge Parish
StateLouisiana
Coordinates30.4764, -91.11309
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span63 ft (19.2 m)
Deck width46 ft (14 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,370 (2021)
Projected traffic22,407 by 2041
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$943,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0037 over US 61 built?

It was built in 1968, making it 57 years old in 2025.

What condition is LA0037 over US 61 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 July 2023.

How much traffic does LA0037 over US 61 carry?

About 20,370 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is LA0037 over US 61?

The structure is 212 ft (64.6 m) long with a longest span of 63 ft (19.2 m) and a deck 46 ft wide.

Who owns LA0037 over US 61?

It is owned by the State Highway Agency.