US Bridges

LA1160 over Bayou

FairPosted for load

Evangeline Parish, Louisiana · 1.19 MI West of LA 13 · Structure no. 032008200900391

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
2,000
2021 count
Owner
State
State Highway Agency

About this bridge

LA1160 over Bayou is a wood or timber stringer/multi-beam or girder carrying LA1160 over Bayou in Evangeline Parish, Louisiana. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 2,200 by 2041. The structure is 39 ft (11.9 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLA1160
CrossesBayou
Location1.19 MI West of LA 13
RouteState Highway 1160
CountyEvangeline Parish
StateLouisiana
Coordinates30.64116, -92.4595
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating16.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.4 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 closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$234,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA1160 over Bayou built?

It was built in 1963, making it 62 years old in 2025.

What condition is LA1160 over Bayou 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 April 2024.

How much traffic does LA1160 over Bayou carry?

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

How long is LA1160 over Bayou?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns LA1160 over Bayou?

It is owned by the State Highway Agency.