US Bridges

LA0004 over Beouf River Relief

Good

Caldwell Parish, Louisiana · 5.1 MI East of LA 559 · Structure no. 581100360109881

Built
1957
68 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
1,558
2021 count
Owner
State
State Highway Agency

About this bridge

LA0004 over Beouf River Relief is a concrete slab carrying LA0004 over Beouf River Relief in Caldwell Parish, Louisiana. It was built in 1957, so it is 68 years old, older 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 1,558 vehicles a day, roughly 21% of them trucks, projected to reach 1,713 by 2041. The structure is 140 ft (42.7 m) long and 31 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesLA0004
CrossesBeouf River Relief
Location5.1 MI East of LA 559
RouteState Highway 4
Coordinates32.0753, -91.9362
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,558 (2021)
Projected traffic1,713 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 LA0004 over Beouf River Relief built?

It was built in 1957, making it 68 years old in 2025.

What condition is LA0004 over Beouf River Relief 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 September 2023.

How much traffic does LA0004 over Beouf River Relief carry?

About 1,558 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is LA0004 over Beouf River Relief?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns LA0004 over Beouf River Relief?

It is owned by the State Highway Agency.