US Bridges

LA0529 over Phillips Creek

Fair

Bossier Parish, Louisiana · .43 MI North of LA 160 · Structure no. 040808080100431

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
494
2021 count
Owner
State
State Highway Agency

About this bridge

LA0529 over Phillips Creek is a concrete slab carrying LA0529 over Phillips Creek 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.

It carries about 494 vehicles a day, roughly 20% of them trucks, projected to reach 543 by 2041. The structure is 76 ft (23.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0529
CrossesPhillips Creek
Location.43 MI North of LA 160
RouteState Highway 529
Coordinates32.82275, -93.524
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 statusOpen, no 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic494 (2021)
Projected traffic543 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 LA0529 over Phillips Creek built?

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

What condition is LA0529 over Phillips Creek 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 Phillips Creek carry?

About 494 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is LA0529 over Phillips Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0529 over Phillips Creek?

It is owned by the State Highway Agency.