US Bridges

Amerada RD over Coulee

Good

Vermilion Parish, Louisiana · 3.9 Mi. SW of LA 92 · Structure no. 035700000030405

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
40 ft
2 main spans
Daily traffic
168
2021 count
Owner
County
County Highway Agency

About this bridge

Amerada RD over Coulee is a concrete slab carrying Amerada RD over Coulee in Vermilion Parish, Louisiana. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 168 vehicles a day, projected to reach 184 by 2041. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAmerada RD
CrossesCoulee
Location3.9 Mi. SW of LA 92
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates30.05836, -92.32709
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic168 (2021)
Projected traffic184 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Amerada RD over Coulee built?

It was built in 2011, making it 14 years old in 2025.

What condition is Amerada RD over 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 September 2023.

How much traffic does Amerada RD over Coulee carry?

About 168 vehicles per day (2021 count).

How long is Amerada RD over Coulee?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns Amerada RD over Coulee?

It is owned by the County Highway Agency.