US Bridges

LA1160 over Drainage Canal

Good

Evangeline Parish, Louisiana · .6 M West of LA 13 · Structure no. 032008200901791

Built
1993
32 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
2,000
2021 count
Owner
State
State Highway Agency

About this bridge

LA1160 over Drainage Canal is a concrete slab carrying LA1160 over Drainage Canal in Evangeline Parish, Louisiana. It was built in 1993, so it is 32 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 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 2,200 by 2041. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA1160
CrossesDrainage Canal
Location.6 M West of LA 13
RouteState Highway 1160
Coordinates30.64117, -92.43661
Functional classRural Local

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 protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2021)
Projected traffic2,200 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 LA1160 over Drainage Canal built?

It was built in 1993, making it 32 years old in 2025.

What condition is LA1160 over Drainage Canal 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 LA1160 over Drainage Canal carry?

About 2,000 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA1160 over Drainage Canal?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns LA1160 over Drainage Canal?

It is owned by the State Highway Agency.