US Bridges

LA0004 over Brown Creek

Fair

Jackson Parish, Louisiana · .39 MI East of LA 505 · Structure no. 052500670606591

Built
2005
20 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
29 ft
4 main spans
Daily traffic
2,992
2021 count
Owner
State
State Highway Agency

About this bridge

LA0004 over Brown Creek is a concrete culvert carrying LA0004 over Brown Creek in Jackson Parish, Louisiana. It was built in 2005, so it is 20 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 2,992 vehicles a day, roughly 15% of them trucks, projected to reach 3,291 by 2041. The structure is 29 ft (8.8 m) long and 130 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLA0004
CrossesBrown Creek
Location.39 MI East of LA 505
RouteState Highway 4
Coordinates32.24372, -92.6022
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span6 ft (1.8 m)
Deck width130 ft (39.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,992 (2021)
Projected traffic3,291 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 LA0004 over Brown Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is LA0004 over Brown 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 April 2024.

How much traffic does LA0004 over Brown Creek carry?

About 2,992 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0004 over Brown Creek?

The structure is 29 ft (8.8 m) long with a longest span of 6 ft (1.8 m) and a deck 130 ft wide.

Who owns LA0004 over Brown Creek?

It is owned by the State Highway Agency.