US Bridges

US0090 over Indian Bayou

Fair

Lafayette Parish, Louisiana · 0.7 MI East of LA 343 · Structure no. 032800031102791

Built
1963
62 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
9,189
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Indian Bayou is a concrete culvert carrying US0090 over Indian Bayou in Lafayette 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 6 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 9,189 vehicles a day, roughly 9% of them trucks, projected to reach 10,107 by 2041. The structure is 33 ft (10.1 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS0090
CrossesIndian Bayou
Location0.7 MI East of LA 343
RouteU.S. Route 90
CountyLafayette Parish
StateLouisiana
Coordinates30.23491, -92.1636
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span8 ft (2.4 m)
Deck width41 ft (12.6 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,189 (2021)
Projected traffic10,107 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 US0090 over Indian Bayou built?

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

What condition is US0090 over Indian 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 November 2023.

How much traffic does US0090 over Indian Bayou carry?

About 9,189 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US0090 over Indian Bayou?

The structure is 33 ft (10.1 m) long with a longest span of 8 ft (2.4 m) and a deck 41 ft wide.

Who owns US0090 over Indian Bayou?

It is owned by the State Highway Agency.