US Bridges

Adcock RD over Boeuf River

Fair

Richland Parish, Louisiana · Log MI 0.04 FR 485 to 557 · Structure no. 054232305914311

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
297 ft
6 main spans
Daily traffic
208
1979 count
Owner
County
County Highway Agency

About this bridge

Adcock RD over Boeuf River is a prestressed concrete stringer/multi-beam or girder carrying Adcock RD over Boeuf River in Richland Parish, Louisiana. It was built in 1985, so it is 40 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 208 vehicles a day, projected to reach 228 by 1999. The structure is 297 ft (90.5 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesAdcock RD
CrossesBoeuf River
LocationLog MI 0.04 FR 485 to 557
RouteCounty Highway 0
Coordinates32.50815, -91.71672
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating71.8 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length297 ft (90.5 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (1979)
Projected traffic228 by 1999
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Adcock RD over Boeuf River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Adcock RD over Boeuf River 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 July 2023.

How much traffic does Adcock RD over Boeuf River carry?

About 208 vehicles per day (1979 count).

How long is Adcock RD over Boeuf River?

The structure is 297 ft (90.5 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Adcock RD over Boeuf River?

It is owned by the County Highway Agency.