US Bridges

LA0037 over Amite R Relief

Fair

St. Helena Parish, Louisiana · 0.1 M SW of LA 63 · Structure no. 624602540500311

Built
1955
70 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
3,362
2021 count
Owner
State
State Highway Agency

About this bridge

LA0037 over Amite R Relief is a concrete slab carrying LA0037 over Amite R Relief in St. Helena Parish, Louisiana. It was built in 1955, so it is 70 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 6 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 3,362 vehicles a day, roughly 12% of them trucks, projected to reach 3,698 by 2041. The structure is 100 ft (30.5 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesLA0037
CrossesAmite R Relief
Location0.1 M SW of LA 63
RouteState Highway 37
CountySt. Helena Parish
StateLouisiana
Coordinates30.73863, -90.838
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,362 (2021)
Projected traffic3,698 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed—
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$498,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0037 over Amite R Relief built?

It was built in 1955, making it 70 years old in 2025.

What condition is LA0037 over Amite R Relief 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 2024.

How much traffic does LA0037 over Amite R Relief carry?

About 3,362 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0037 over Amite R Relief?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0037 over Amite R Relief?

It is owned by the State Highway Agency.