US Bridges

South College Rd. over Coulee Mine

Fair

Lafayette Parish, Louisiana · 1.1 MI W of W. Pinhook RD · Structure no. 032808282301061

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
21,734
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

South College Rd. over Coulee Mine is a concrete slab carrying South College Rd. over Coulee Mine in Lafayette Parish, Louisiana. It was built in 1967, so it is 58 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 21,734 vehicles a day, roughly 10% of them trucks, projected to reach 23,907 by 2041. The structure is 100 ft (30.5 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth College Rd.
CrossesCoulee Mine
Location1.1 MI W of W. Pinhook RD
RouteCity Street 0
Coordinates30.20216, -92.03103
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width62 ft (19 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,734 (2021)
Projected traffic23,907 by 2041
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South College Rd. over Coulee Mine built?

It was built in 1967, making it 58 years old in 2025.

What condition is South College Rd. 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 March 2024.

How much traffic does South College Rd. over Coulee Mine carry?

About 21,734 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is South College Rd. over Coulee Mine?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 62 ft wide.

Who owns South College Rd. over Coulee Mine?

It is owned by the City or Municipal Highway Agency.