US Bridges

LA1147 over W Caney Branch

Fair

Beauregard Parish, Louisiana · 2.9 Mi. N of Int LA113 · Structure no. 070608060203001

Built
1967
58 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
295
2021 count
Owner
State
State Highway Agency

About this bridge

LA1147 over W Caney Branch is a concrete slab carrying LA1147 over W Caney Branch in Beauregard Parish, Louisiana. It was built in 1967, so it is 58 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 295 vehicles a day, roughly 17% of them trucks, projected to reach 324 by 2041. The structure is 95 ft (29 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA1147
CrossesW Caney Branch
Location2.9 Mi. N of Int LA113
RouteState Highway 1147
Coordinates30.73571, -93.0651
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30 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 width27 ft (8.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2021)
Projected traffic324 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 LA1147 over W Caney Branch built?

It was built in 1967, making it 58 years old in 2025.

What condition is LA1147 over W Caney 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 September 2024.

How much traffic does LA1147 over W Caney Branch carry?

About 295 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA1147 over W Caney Branch?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA1147 over W Caney Branch?

It is owned by the State Highway Agency.