US Bridges

W. Willow St. over Coulee Mine

PoorPosted for load

Lafayette Parish, Louisiana · 0.36 MI W of LA 3184 · Structure no. 032830145920441

Built
1975
50 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
1,960
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. Willow St. over Coulee Mine is a concrete slab carrying W. Willow St. over Coulee Mine in Lafayette Parish, Louisiana. It was built in 1975, so it is 50 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,960 vehicles a day, projected to reach 2,156 by 2040. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW. Willow St.
CrossesCoulee Mine
Location0.36 MI W of LA 3184
RouteCounty Highway 0
Coordinates30.24301, -92.0724
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,960 (2020)
Projected traffic2,156 by 2040
Trucks—
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$277,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W. Willow St. over Coulee Mine built?

It was built in 1975, making it 50 years old in 2025.

What condition is W. Willow St. over Coulee Mine in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does W. Willow St. over Coulee Mine carry?

About 1,960 vehicles per day (2020 count).

How long is W. Willow St. over Coulee Mine?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns W. Willow St. over Coulee Mine?

It is owned by the City or Municipal Highway Agency.