US Bridges

Acorn Drive over Oak Coulee

Good

Lafayette Parish, Louisiana · 0.9 Miles E of LA 176 · Structure no. 032800000030478

Built
2016
9 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Acorn Drive over Oak Coulee is a concrete culvert carrying Acorn Drive over Oak Coulee in Lafayette Parish, Louisiana. It was built in 2016, so it is 9 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 200 vehicles a day, projected to reach 220 by 2040. The structure is 28 ft (8.5 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAcorn Drive
CrossesOak Coulee
Location0.9 Miles E of LA 176
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.28277, -91.99338
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating16 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width73 ft (22.4 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic220 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Acorn Drive over Oak Coulee built?

It was built in 2016, making it 9 years old in 2025.

What condition is Acorn Drive over Oak 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 October 2023.

How much traffic does Acorn Drive over Oak Coulee carry?

About 200 vehicles per day (2020 count).

How long is Acorn Drive over Oak Coulee?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 73 ft wide.

Who owns Acorn Drive over Oak Coulee?

It is owned by the County Highway Agency.