US Bridges

US0090 over Coulee Mine

Fair

Lafayette Parish, Louisiana · 0.7 MI East of LA 93 · Structure no. 032800031108201

Built
1953
72 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
96 ft
4 main spans
Daily traffic
7,540
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Coulee Mine is a concrete tee beam carrying US0090 over Coulee Mine in Lafayette Parish, Louisiana. It was built in 1953, so it is 72 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 7,540 vehicles a day, roughly 10% of them trucks, projected to reach 8,294 by 2041. The structure is 96 ft (29.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS0090
CrossesCoulee Mine
Location0.7 MI East of LA 93
RouteU.S. Route 90
CountyLafayette Parish
StateLouisiana
Coordinates30.23218, -92.07501
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length96 ft (29.3 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,540 (2021)
Projected traffic8,294 by 2041
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$478,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0090 over Coulee Mine built?

It was built in 1953, making it 72 years old in 2025.

What condition is US0090 over Coulee Mine 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 Coulee Mine carry?

About 7,540 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US0090 over Coulee Mine?

The structure is 96 ft (29.3 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns US0090 over Coulee Mine?

It is owned by the State Highway Agency.