US Bridges

LA0015 over Big Creek

Fair

Richland Parish, Louisiana · Richland/Franklin Par LN · Structure no. 054200260800001

Built
1992
33 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
280 ft
14 main spans
Daily traffic
9,661
2021 count
Owner
State
State Highway Agency

About this bridge

LA0015 over Big Creek is a concrete slab carrying LA0015 over Big Creek in Richland Parish, Louisiana. It was built in 1992, so it is 33 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 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 9,661 vehicles a day, roughly 16% of them trucks, projected to reach 10,627 by 2041. The structure is 280 ft (85.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0015
CrossesBig Creek
LocationRichland/Franklin Par LN
RouteState Highway 15
Coordinates32.29164, -91.7632
Functional classRural Principal Arterial - Other

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,661 (2021)
Projected traffic10,627 by 2041
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 LA0015 over Big Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is LA0015 over Big 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 August 2023.

How much traffic does LA0015 over Big Creek carry?

About 9,661 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is LA0015 over Big Creek?

The structure is 280 ft (85.3 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0015 over Big Creek?

It is owned by the State Highway Agency.