US Bridges

LA0037 over Hubs Bayou

PoorPosted for load

East Baton Rouge Parish, Louisiana · 0.8 M S of LA 409 · Structure no. 611702540211781

Built
1972
53 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete
Length
76 ft
2 main spans
Daily traffic
9,104
2021 count
Owner
State
State Highway Agency

About this bridge

LA0037 over Hubs Bayou is a concrete slab carrying LA0037 over Hubs Bayou in East Baton Rouge Parish, Louisiana. It was built in 1972, so it is 53 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 9,104 vehicles a day, roughly 7% of them trucks, projected to reach 10,014 by 2041. The structure is 76 ft (23.2 m) long and 26 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesLA0037
CrossesHubs Bayou
Location0.8 M S of LA 409
RouteState Highway 37
Coordinates30.5894, -90.99833
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,104 (2021)
Projected traffic10,014 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

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$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0037 over Hubs Bayou built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA0037 over Hubs Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does LA0037 over Hubs Bayou carry?

About 9,104 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is LA0037 over Hubs Bayou?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns LA0037 over Hubs Bayou?

It is owned by the State Highway Agency.