US Bridges

Pine Grove RD over Buchanan Bayou Trib

Fair

Caddo Parish, Louisiana · 2.5M East of LA 525 · Structure no. 040932190935291

Built
1991
34 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
58 ft
3 main spans
Daily traffic
58
2019 count
Owner
County
County Highway Agency

About this bridge

Pine Grove RD over Buchanan Bayou Trib is a concrete slab carrying Pine Grove RD over Buchanan Bayou Trib in Caddo Parish, Louisiana. It was built in 1991, so it is 34 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 58 vehicles a day, projected to reach 63 by 2039. The structure is 58 ft (17.7 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPine Grove RD
CrossesBuchanan Bayou Trib
Location2.5M East of LA 525
RouteCounty Highway 0
Coordinates32.31712, -93.88048
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2019)
Projected traffic63 by 2039
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 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 Pine Grove RD over Buchanan Bayou Trib built?

It was built in 1991, making it 34 years old in 2025.

What condition is Pine Grove RD over Buchanan Bayou Trib 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 March 2023.

How much traffic does Pine Grove RD over Buchanan Bayou Trib carry?

About 58 vehicles per day (2019 count).

How long is Pine Grove RD over Buchanan Bayou Trib?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns Pine Grove RD over Buchanan Bayou Trib?

It is owned by the County Highway Agency.