US Bridges

Tunica St. over Drainage CR

FairPosted for load

West Feliciana Parish, Louisiana · 0.5 MI N. of LA 1263 · Structure no. 616330467912371

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Tunica St. over Drainage CR is a concrete slab carrying Tunica St. over Drainage CR in West Feliciana Parish, Louisiana. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 180 vehicles a day, projected to reach 198 by 2040. The structure is 95 ft (29 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTunica St.
CrossesDrainage CR
Location0.5 MI N. of LA 1263
RouteCounty Highway 0
CountyWest Feliciana Parish
StateLouisiana
Coordinates30.77874, -91.39552
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic198 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$340,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tunica St. over Drainage CR built?

It was built in 1974, making it 51 years old in 2025.

What condition is Tunica St. over Drainage CR 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 Tunica St. over Drainage CR carry?

About 180 vehicles per day (2020 count).

How long is Tunica St. over Drainage CR?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 14 ft wide.

Who owns Tunica St. over Drainage CR?

It is owned by the County Highway Agency.