US Bridges

Mermentau Rd. over Anselm Coulee

Good

Lafayette Parish, Louisiana · 1.0 Mi. S. of LA 92 · Structure no. 032800000200136

Built
2013
12 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
119
2020 count
Owner
County
County Highway Agency

About this bridge

Mermentau Rd. over Anselm Coulee is a concrete slab carrying Mermentau Rd. over Anselm Coulee in Lafayette Parish, Louisiana. It was built in 2013, so it is 12 years old, younger 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.

It carries about 119 vehicles a day, projected to reach 130 by 2040. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMermentau Rd.
CrossesAnselm Coulee
Location1.0 Mi. S. of LA 92
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.09518, -92.04505
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating56.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2020)
Projected traffic130 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mermentau Rd. over Anselm Coulee built?

It was built in 2013, making it 12 years old in 2025.

What condition is Mermentau Rd. over Anselm 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 Mermentau Rd. over Anselm Coulee carry?

About 119 vehicles per day (2020 count).

How long is Mermentau Rd. over Anselm Coulee?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Mermentau Rd. over Anselm Coulee?

It is owned by the County Highway Agency.