US Bridges

Cottongin Castor over Castor Creek

Fair

Allen Parish, Louisiana · 2.70M North of LA 104 · Structure no. 070230372923721

Built
1991
34 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
49
2020 count
Owner
County
County Highway Agency

About this bridge

Cottongin Castor over Castor Creek is a concrete slab carrying Cottongin Castor over Castor Creek in Allen Parish, Louisiana. It was built in 1991, so it is 34 years old, younger 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.

It carries about 49 vehicles a day, projected to reach 53 by 2040. The structure is 114 ft (34.7 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCottongin Castor
CrossesCastor Creek
Location2.70M North of LA 104
RouteCounty Highway 0
CountyAllen Parish
StateLouisiana
Coordinates30.6197, -92.6201
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2020)
Projected traffic53 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Cottongin Castor over Castor Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Cottongin Castor over Castor Creek 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 2023.

How much traffic does Cottongin Castor over Castor Creek carry?

About 49 vehicles per day (2020 count).

How long is Cottongin Castor over Castor Creek?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Cottongin Castor over Castor Creek?

It is owned by the County Highway Agency.