US Bridges

Olive Grove RD over Castor Creek

Fair

Jackson Parish, Louisiana · 0.4 MI NE of LA 148 · Structure no. 052532234923351

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
79 ft
4 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Olive Grove RD over Castor Creek is a concrete slab carrying Olive Grove RD over Castor Creek in Jackson Parish, Louisiana. It was built in 1999, so it is 26 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 6 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 50 vehicles a day, projected to reach 55 by 2040. The structure is 79 ft (24.1 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesOlive Grove RD
CrossesCastor Creek
Location0.4 MI NE of LA 148
RouteCounty Highway 0
Coordinates32.38962, -92.56265
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic55 by 2040
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Olive Grove RD over Castor Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Olive Grove RD 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 February 2024.

How much traffic does Olive Grove RD over Castor Creek carry?

About 50 vehicles per day (2020 count).

How long is Olive Grove RD over Castor Creek?

The structure is 79 ft (24.1 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Olive Grove RD over Castor Creek?

It is owned by the County Highway Agency.