US Bridges

LA0107 over Bayou Maria Relief

Fair

Rapides Parish, Louisiana · 3.86 Mi. North of LA 3128 · Structure no. 084001420412171

Built
1953
72 years old, rebuilt 1981
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
121 ft
6 main spans
Daily traffic
3,354
2021 count
Owner
State
State Highway Agency

About this bridge

LA0107 over Bayou Maria Relief is a concrete slab carrying LA0107 over Bayou Maria Relief in Rapides Parish, Louisiana. It was built in 1953 and reconstructed in 1981, so it is 72 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 3,354 vehicles a day, roughly 4% of them trucks, projected to reach 3,689 by 2041. The structure is 121 ft (36.9 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLA0107
CrossesBayou Maria Relief
Location3.86 Mi. North of LA 3128
RouteState Highway 107
CountyRapides Parish
StateLouisiana
Coordinates31.32473, -92.3994
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length121 ft (36.9 m)
Longest span20 ft (6.1 m)
Deck width72 ft (21.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,354 (2021)
Projected traffic3,689 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0107 over Bayou Maria Relief built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1981.

What condition is LA0107 over Bayou Maria 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 March 2024.

How much traffic does LA0107 over Bayou Maria Relief carry?

About 3,354 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is LA0107 over Bayou Maria Relief?

The structure is 121 ft (36.9 m) long with a longest span of 20 ft (6.1 m) and a deck 72 ft wide.

Who owns LA0107 over Bayou Maria Relief?

It is owned by the State Highway Agency.