US Bridges

Old Tunica RD over Tunica Bayou

Fair

West Feliciana Parish, Louisiana · 0.2 Mi. S. of LA 66 · Structure no. 616330560913211

Built
1999
26 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Old Tunica RD over Tunica Bayou is a concrete slab carrying Old Tunica RD over Tunica Bayou in West Feliciana Parish, Louisiana. It was built in 1999, so it is 26 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 200 vehicles a day, projected to reach 220 by 2040. The structure is 180 ft (54.9 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld Tunica RD
CrossesTunica Bayou
Location0.2 Mi. S. of LA 66
RouteCounty Highway 0
CountyWest Feliciana Parish
StateLouisiana
Coordinates30.93279, -91.53608
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic220 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Old Tunica RD over Tunica Bayou built?

It was built in 1999, making it 26 years old in 2025.

What condition is Old Tunica RD over Tunica Bayou 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 September 2024.

How much traffic does Old Tunica RD over Tunica Bayou carry?

About 200 vehicles per day (2020 count).

How long is Old Tunica RD over Tunica Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Old Tunica RD over Tunica Bayou?

It is owned by the County Highway Agency.