US Bridges

S. St. Louis ST over Mine Branch Coulee

GoodPosted for load

Lafayette Parish, Louisiana · 0.09 MI E of White Oak DR · Structure no. 032830135920221

Built
1970
55 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
400
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

S. St. Louis ST over Mine Branch Coulee is a concrete culvert carrying S. St. Louis ST over Mine Branch Coulee in Lafayette Parish, Louisiana. It was built in 1970, so it is 55 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 400 vehicles a day, projected to reach 440 by 2040. The structure is 21 ft (6.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS. St. Louis ST
CrossesMine Branch Coulee
Location0.09 MI E of White Oak DR
RouteCounty Highway 0
Coordinates30.22489, -92.0376
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2020)
Projected traffic440 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S. St. Louis ST over Mine Branch Coulee built?

It was built in 1970, making it 55 years old in 2025.

What condition is S. St. Louis ST over Mine Branch 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 S. St. Louis ST over Mine Branch Coulee carry?

About 400 vehicles per day (2020 count).

How long is S. St. Louis ST over Mine Branch Coulee?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 40 ft wide.

Who owns S. St. Louis ST over Mine Branch Coulee?

It is owned by the City or Municipal Highway Agency.