US Bridges

LA1147 over Jim Burney Branch

FairPosted for load

Beauregard Parish, Louisiana · 0.2 MI NW of LA 113 · Structure no. 070608060200191

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
261
2021 count
Owner
State
State Highway Agency

About this bridge

LA1147 over Jim Burney Branch is a concrete slab carrying LA1147 over Jim Burney 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. Its operating status is: posted for load restriction.

It carries about 261 vehicles a day, roughly 17% of them trucks, projected to reach 287 by 2041. The structure is 95 ft (29 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLA1147
CrossesJim Burney Branch
Location0.2 MI NW of LA 113
RouteState Highway 1147
Coordinates30.70452, -93.03846
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
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating17.9 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 (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic261 (2021)
Projected traffic287 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 LA1147 over Jim Burney Branch built?

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

What condition is LA1147 over Jim Burney 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 2023.

How much traffic does LA1147 over Jim Burney Branch carry?

About 261 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA1147 over Jim Burney 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 Jim Burney Branch?

It is owned by the State Highway Agency.