US Bridges

LA0472 over Big Creek

Good

Winn Parish, Louisiana · 3.27 MI N of LA 1230 · Structure no. 086400000080553

Built
2010
15 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
118 ft
6 main spans
Daily traffic
332
2021 count
Owner
State
State Highway Agency

About this bridge

LA0472 over Big Creek is a concrete slab carrying LA0472 over Big Creek in Winn Parish, Louisiana. It was built in 2010, so it is 15 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 332 vehicles a day, roughly 14% of them trucks, projected to reach 365 by 2041. The structure is 118 ft (36 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0472
CrossesBig Creek
Location3.27 MI N of LA 1230
RouteState Highway 472
Coordinates31.84146, -92.501
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating50.7 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length118 ft (36 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic332 (2021)
Projected traffic365 by 2041
Trucks14%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0472 over Big Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is LA0472 over Big Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does LA0472 over Big Creek carry?

About 332 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0472 over Big Creek?

The structure is 118 ft (36 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns LA0472 over Big Creek?

It is owned by the State Highway Agency.