US Bridges

Roy RD over Coulee

Good

Vermilion Parish, Louisiana · 0.01 MI S. of Placide RD · Structure no. 035700000035707

Built
2022
3 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
37 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Roy RD over Coulee is a wood or timber stringer/multi-beam or girder carrying Roy RD over Coulee in Vermilion Parish, Louisiana. It was built in 2022, so it is 3 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 100 vehicles a day, projected to reach 110 by 2042. The structure is 37 ft (11.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoy RD
CrossesCoulee
Location0.01 MI S. of Placide RD
RouteCounty Highway 0
Coordinates30.06441, -92.12852
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 protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating53.8 US tons
Inventory rating40 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic110 by 2042
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 Roy RD over Coulee built?

It was built in 2022, making it 3 years old in 2025.

What condition is Roy 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 Roy RD over Coulee carry?

About 100 vehicles per day (2022 count).

How long is Roy RD over Coulee?

The structure is 37 ft (11.3 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Roy RD over Coulee?

It is owned by the County Highway Agency.