US Bridges

LA0112 over West Relief

Fair

Beauregard Parish, Louisiana · 0.5 MI E of US 171 · Structure no. 070601880100551

Built
1957
68 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
718
2021 count
Owner
State
State Highway Agency

About this bridge

LA0112 over West Relief is a concrete slab carrying LA0112 over West Relief in Beauregard Parish, Louisiana. It was built in 1957, so it is 68 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 718 vehicles a day, roughly 6% of them trucks, projected to reach 789 by 2041. The structure is 80 ft (24.4 m) long and 29 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesLA0112
CrossesWest Relief
Location0.5 MI E of US 171
RouteState Highway 112
Coordinates30.84937, -93.24732
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic718 (2021)
Projected traffic789 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed13 mi (21 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$412,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0112 over West Relief built?

It was built in 1957, making it 68 years old in 2025.

What condition is LA0112 over West 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 November 2024.

How much traffic does LA0112 over West Relief carry?

About 718 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is LA0112 over West Relief?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA0112 over West Relief?

It is owned by the State Highway Agency.