US Bridges

Section Line RD over Castor Bayou

Good

Vernon Parish, Louisiana · 0.8 MI E of LA 1211 · Structure no. 085800000080016

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
1,350
2018 count
Owner
County
County Highway Agency

About this bridge

Section Line RD over Castor Bayou is a concrete slab carrying Section Line RD over Castor Bayou in Vernon 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,350 vehicles a day, roughly 17% of them trucks, projected to reach 1,485 by 2038. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSection Line RD
CrossesCastor Bayou
Location0.8 MI E of LA 1211
RouteCounty Highway 0
Coordinates31.07239, -93.30205
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadGreater than HL 93
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2018)
Projected traffic1,485 by 2038
Trucks17%
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 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 Section Line RD over Castor Bayou built?

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

What condition is Section Line 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 Section Line RD over Castor Bayou carry?

About 1,350 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is Section Line RD over Castor Bayou?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Section Line RD over Castor Bayou?

It is owned by the County Highway Agency.