US Bridges

Dunn Ferry RD over West Fork Calcasieu Rive

Fair

Calcasieu Parish, Louisiana · 1.7 MI W of Sutherland RD · Structure no. 071030201931701

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
285 ft
15 main spans
Daily traffic
899
2021 count
Owner
County
County Highway Agency

About this bridge

Dunn Ferry RD over West Fork Calcasieu Rive is a concrete slab carrying Dunn Ferry RD over West Fork Calcasieu Rive in Calcasieu Parish, Louisiana. It was built in 1965, so it is 60 years old, older 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 899 vehicles a day, projected to reach 988 by 2041. The structure is 285 ft (86.9 m) long and 34 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesDunn Ferry RD
CrossesWest Fork Calcasieu Rive
Location1.7 MI W of Sutherland RD
RouteCounty Highway 0
CountyCalcasieu Parish
StateLouisiana
Coordinates30.34191, -93.28545
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating28.9 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans15
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span19 ft (5.8 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic899 (2021)
Projected traffic988 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Dunn Ferry RD over West Fork Calcasieu Rive built?

It was built in 1965, making it 60 years old in 2025.

What condition is Dunn Ferry RD over West Fork Calcasieu Rive 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 May 2024.

How much traffic does Dunn Ferry RD over West Fork Calcasieu Rive carry?

About 899 vehicles per day (2021 count).

How long is Dunn Ferry RD over West Fork Calcasieu Rive?

The structure is 285 ft (86.9 m) long with a longest span of 19 ft (5.8 m) and a deck 34 ft wide.

Who owns Dunn Ferry RD over West Fork Calcasieu Rive?

It is owned by the County Highway Agency.