US Bridges

LA0529 over Bear Branch

FairPosted for load

Bossier Parish, Louisiana · 3.73 MI North of LA 160 · Structure no. 040808080103731

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
96 ft
5 main spans
Daily traffic
590
2021 count
Owner
State
State Highway Agency

About this bridge

LA0529 over Bear Branch is a concrete slab carrying LA0529 over Bear Branch in Bossier Parish, Louisiana. It was built in 1973, so it is 52 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 590 vehicles a day, roughly 20% of them trucks, projected to reach 649 by 2041. The structure is 96 ft (29.3 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLA0529
CrossesBear Branch
Location3.73 MI North of LA 160
RouteState Highway 529
CountyBossier Parish
StateLouisiana
Coordinates32.86636, -93.50659
Functional classRural Local

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length96 ft (29.3 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 traffic590 (2021)
Projected traffic649 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$478,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0529 over Bear Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is LA0529 over Bear 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 November 2023.

How much traffic does LA0529 over Bear Branch carry?

About 590 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is LA0529 over Bear Branch?

The structure is 96 ft (29.3 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0529 over Bear Branch?

It is owned by the State Highway Agency.