US Bridges

Dalton RD over Coulee

Fair

Vermilion Parish, Louisiana · 1.2 MI W of LA 695 · Structure no. 035729590921461

Built
2005
20 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
50 ft
3 main spans
Daily traffic
212
2021 count
Owner
County
County Highway Agency

About this bridge

Dalton RD over Coulee is a concrete channel beam carrying Dalton RD over Coulee in Vermilion Parish, Louisiana. It was built in 2005, so it is 20 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 212 vehicles a day, projected to reach 233 by 2041. The structure is 50 ft (15.2 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesDalton RD
CrossesCoulee
Location1.2 MI W of LA 695
RouteCounty Highway 0
CountyVermilion Parish
StateLouisiana
Coordinates29.98427, -92.24516
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span17 ft (5.2 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2021)
Projected traffic233 by 2041
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 Dalton RD over Coulee built?

It was built in 2005, making it 20 years old in 2025.

What condition is Dalton RD over Coulee in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Dalton RD over Coulee carry?

About 212 vehicles per day (2021 count).

How long is Dalton RD over Coulee?

The structure is 50 ft (15.2 m) long with a longest span of 17 ft (5.2 m) and a deck 22 ft wide.

Who owns Dalton RD over Coulee?

It is owned by the County Highway Agency.