US Bridges

Cooper Church RD over Castor Bayou

Good

Vernon Parish, Louisiana · 4.82M West of US 171 · Structure no. 085831020932101

Built
1992
33 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
180
1992 count
Owner
County
County Highway Agency

About this bridge

Cooper Church RD over Castor Bayou is a concrete slab carrying Cooper Church RD over Castor Bayou in Vernon Parish, Louisiana. It was built in 1992, so it is 33 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 180 vehicles a day, projected to reach 198 by 2012. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCooper Church RD
CrossesCastor Bayou
Location4.82M West of US 171
RouteCounty Highway 0
Coordinates31.03327, -93.3501
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (1992)
Projected traffic198 by 2012
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Cooper Church RD over Castor Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is Cooper Church RD over Castor Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Cooper Church RD over Castor Bayou carry?

About 180 vehicles per day (1992 count).

How long is Cooper Church RD over Castor Bayou?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Cooper Church RD over Castor Bayou?

It is owned by the County Highway Agency.