US Bridges

Centerville RD over Drainage Bayou

FairPosted for load

Iberville Parish, Louisiana · 0.5 MI N of LA 76 · Structure no. 612430259912851

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
39 ft
2 main spans
Daily traffic
110
2019 count
Owner
County
County Highway Agency

About this bridge

Centerville RD over Drainage Bayou is a concrete slab carrying Centerville RD over Drainage Bayou in Iberville Parish, Louisiana. It was built in 1970, so it is 55 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 110 vehicles a day, projected to reach 121 by 2039. The structure is 39 ft (11.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCenterville RD
CrossesDrainage Bayou
Location0.5 MI N of LA 76
RouteCounty Highway 0
CountyIberville Parish
StateLouisiana
Coordinates30.43314, -91.47453
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2019)
Projected traffic121 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Centerville RD over Drainage Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is Centerville RD over Drainage 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 December 2024.

How much traffic does Centerville RD over Drainage Bayou carry?

About 110 vehicles per day (2019 count).

How long is Centerville RD over Drainage Bayou?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns Centerville RD over Drainage Bayou?

It is owned by the County Highway Agency.