US Bridges

LA3025 over Coulee Mine

Fair

Lafayette Parish, Louisiana · 0.7 MI W of W Pinhook RD · Structure no. 032808282300691

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
34,877
2021 count
Owner
State
State Highway Agency

About this bridge

LA3025 over Coulee Mine is a concrete slab carrying LA3025 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 34,877 vehicles a day, roughly 10% of them trucks, projected to reach 38,364 by 2041. The structure is 120 ft (36.6 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLA3025
CrossesCoulee Mine
Location0.7 MI W of W Pinhook RD
RouteState Highway 3025
CountyLafayette Parish
StateLouisiana
Coordinates30.19911, -92.02598
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width77 ft (23.5 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,877 (2021)
Projected traffic38,364 by 2041
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 LA3025 over Coulee Mine built?

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

What condition is LA3025 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 LA3025 over Coulee Mine carry?

About 34,877 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA3025 over Coulee Mine?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 77 ft wide.

Who owns LA3025 over Coulee Mine?

It is owned by the State Highway Agency.