US Bridges

LA0034 over Castor Creek

Good

Jackson Parish, Louisiana · 1.16 MI E of LA 4 · Structure no. 052500670701161

Built
2002
23 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
2,974
2021 count
Owner
State
State Highway Agency

About this bridge

LA0034 over Castor Creek is a concrete slab carrying LA0034 over Castor Creek in Jackson Parish, Louisiana. It was built in 2002, so it is 23 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 2,974 vehicles a day, roughly 15% of them trucks, projected to reach 3,271 by 2041. The structure is 200 ft (61 m) long and 46 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0034
CrossesCastor Creek
Location1.16 MI E of LA 4
RouteState Highway 34
Coordinates32.31931, -92.4383
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,974 (2021)
Projected traffic3,271 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0034 over Castor Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is LA0034 over Castor Creek 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 April 2024.

How much traffic does LA0034 over Castor Creek carry?

About 2,974 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0034 over Castor Creek?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 46 ft wide.

Who owns LA0034 over Castor Creek?

It is owned by the State Highway Agency.