US Bridges

LA 15 over Boeuf River

Good

Richland Parish, Louisiana · 7 MI S of Ouachita Pl · Structure no. 054200000000112

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
500 ft
5 main spans
Daily traffic
2,650
2021 count
Owner
State
State Highway Agency

About this bridge

LA 15 over Boeuf River is a concrete continuous stringer/multi-beam or girder carrying LA 15 over Boeuf River in Richland Parish, Louisiana. It was built in 2023, so it is 2 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 2,650 vehicles a day, roughly 17% of them trucks, projected to reach 2,915 by 2041. The structure is 500 ft (152.4 m) long and 43 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesLA 15
CrossesBoeuf River
Location7 MI S of Ouachita Pl
RouteState Highway 15
Coordinates32.37405, -91.881
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length500 ft (152.4 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2021)
Projected traffic2,915 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 LA 15 over Boeuf River built?

It was built in 2023, making it 2 years old in 2025.

What condition is LA 15 over Boeuf River 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 July 2023.

How much traffic does LA 15 over Boeuf River carry?

About 2,650 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is LA 15 over Boeuf River?

The structure is 500 ft (152.4 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns LA 15 over Boeuf River?

It is owned by the State Highway Agency.