US Bridges

Castor Plunge RD over Little Bayou Clear

Good

Rapides Parish, Louisiana · 1.5 M W of US 165 · Structure no. 084000000080013

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Castor Plunge RD over Little Bayou Clear is a concrete slab carrying Castor Plunge RD over Little Bayou Clear in Rapides Parish, Louisiana. It was built in 2021, so it is 4 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 100 vehicles a day, projected to reach 110 by 2039. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCastor Plunge RD
CrossesLittle Bayou Clear
Location1.5 M W of US 165
RouteCounty Highway 0
Coordinates31.1535, -92.51944
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 alignment9: Superior to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic110 by 2039
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Castor Plunge RD over Little Bayou Clear built?

It was built in 2021, making it 4 years old in 2025.

What condition is Castor Plunge RD over Little Bayou Clear 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 September 2023.

How much traffic does Castor Plunge RD over Little Bayou Clear carry?

About 100 vehicles per day (2019 count).

How long is Castor Plunge RD over Little Bayou Clear?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Castor Plunge RD over Little Bayou Clear?

It is owned by the Town or Township Highway Agency.