US Bridges

LA1037 over Blood River

Fair

Livingston Parish, Louisiana · LA1037 · Structure no. 623208322005241

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
1,730
2016 count
Owner
State
State Highway Agency

About this bridge

LA1037 over Blood River is a concrete slab carrying LA1037 over Blood River in Livingston 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 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 1,730 vehicles a day, roughly 13% of them trucks, projected to reach 1,903 by 2036. The structure is 120 ft (36.6 m) long and 30 ft wide.

CarriesLA1037
CrossesBlood River
LocationLA1037
RouteState Highway 1037
Coordinates30.4221, -90.5832
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 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 traffic1,730 (2016)
Projected traffic1,903 by 2036
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1037 over Blood River built?

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

What condition is LA1037 over Blood 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 April 2024.

How much traffic does LA1037 over Blood River carry?

About 1,730 vehicles per day (2016 count), of which roughly 13% are trucks.

How long is LA1037 over Blood River?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA1037 over Blood River?

It is owned by the State Highway Agency.