US Bridges

W. Dunbar Ave. over Bayou Tesson

FairPosted for load

St. Landry Parish, Louisiana · 0.2 MI W. of LA 182 · Structure no. 034930308920541

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
47 ft
3 main spans
Daily traffic
1,200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. Dunbar Ave. over Bayou Tesson is a concrete slab carrying W. Dunbar Ave. over Bayou Tesson in St. Landry 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,200 vehicles a day, projected to reach 1,320 by 2040. The structure is 47 ft (14.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW. Dunbar Ave.
CrossesBayou Tesson
Location0.2 MI W. of LA 182
RouteCounty Highway 0
CountySt. Landry Parish
StateLouisiana
Coordinates30.51383, -92.09031
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating18.2 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span19 ft (5.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2020)
Projected traffic1,320 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W. Dunbar Ave. over Bayou Tesson built?

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

What condition is W. Dunbar Ave. over Bayou Tesson 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 April 2023.

How much traffic does W. Dunbar Ave. over Bayou Tesson carry?

About 1,200 vehicles per day (2020 count).

How long is W. Dunbar Ave. over Bayou Tesson?

The structure is 47 ft (14.3 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.

Who owns W. Dunbar Ave. over Bayou Tesson?

It is owned by the City or Municipal Highway Agency.