US Bridges

LA0112 over Perkins Branch

Fair

Allen Parish, Louisiana · 0.1 MI W of LA 377 · Structure no. 070200000070198

Built
2009
16 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
718
2021 count
Owner
State
State Highway Agency

About this bridge

LA0112 over Perkins Branch is a concrete slab carrying LA0112 over Perkins Branch in Allen Parish, Louisiana. It was built in 2009, so it is 16 years old, younger 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 718 vehicles a day, roughly 17% of them trucks, projected to reach 789 by 2041. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesLA0112
CrossesPerkins Branch
Location0.1 MI W of LA 377
RouteState Highway 112
CountyAllen Parish
StateLouisiana
Coordinates30.81387, -92.9343
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic718 (2021)
Projected traffic789 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0112 over Perkins Branch built?

It was built in 2009, making it 16 years old in 2025.

What condition is LA0112 over Perkins Branch 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 July 2023.

How much traffic does LA0112 over Perkins Branch carry?

About 718 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA0112 over Perkins Branch?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0112 over Perkins Branch?

It is owned by the State Highway Agency.