US Bridges

LA0115 over Waters Bayou

Good

Rapides Parish, Louisiana · 2.26 Mi. South of LA 28 · Structure no. 084000330406801

Built
2001
24 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
158 ft
8 main spans
Daily traffic
2,775
2021 count
Owner
State
State Highway Agency

About this bridge

LA0115 over Waters Bayou is a concrete slab carrying LA0115 over Waters Bayou in Rapides Parish, Louisiana. It was built in 2001, so it is 24 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 2,775 vehicles a day, roughly 14% of them trucks, projected to reach 3,052 by 2041. The structure is 158 ft (48.2 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLA0115
CrossesWaters Bayou
Location2.26 Mi. South of LA 28
RouteState Highway 115
Coordinates31.39694, -92.1645
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span20 ft (6.1 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,775 (2021)
Projected traffic3,052 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 LA0115 over Waters Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is LA0115 over Waters Bayou 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 December 2024.

How much traffic does LA0115 over Waters Bayou carry?

About 2,775 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is LA0115 over Waters Bayou?

The structure is 158 ft (48.2 m) long with a longest span of 20 ft (6.1 m) and a deck 41 ft wide.

Who owns LA0115 over Waters Bayou?

It is owned by the State Highway Agency.