US Bridges

W. Congress St. over Mine Coulee

GoodPosted for load

Lafayette Parish, Louisiana · 0.4 Miles SW of LA 3025 · Structure no. 032830126920321

Built
1968
57 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
133 ft
7 main spans
Daily traffic
15,700
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. Congress St. over Mine Coulee is a concrete slab carrying W. Congress St. over Mine Coulee in Lafayette Parish, Louisiana. It was built in 1968, so it is 57 years old, older 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. Its operating status is: posted for load restriction.

It carries about 15,700 vehicles a day, projected to reach 17,270 by 2040. The structure is 133 ft (40.5 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW. Congress St.
CrossesMine Coulee
Location0.4 Miles SW of LA 3025
RouteCounty Highway 0
Coordinates30.21033, -92.05199
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span19 ft (5.8 m)
Deck width60 ft (18.3 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,700 (2020)
Projected traffic17,270 by 2040
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$795,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1968, making it 57 years old in 2025.

What condition is W. Congress St. over Mine Coulee 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 January 2024.

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

About 15,700 vehicles per day (2020 count).

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

The structure is 133 ft (40.5 m) long with a longest span of 19 ft (5.8 m) and a deck 60 ft wide.

Who owns W. Congress St. over Mine Coulee?

It is owned by the City or Municipal Highway Agency.