US Bridges

Buncombe Road over Trib Boggy Bayou

Good

Caddo Parish, Louisiana · 2.8 MI E of US 79 · Structure no. 040900000040915

Built
2022
3 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete
Length
60 ft
3 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Buncombe Road over Trib Boggy Bayou is a concrete slab carrying Buncombe Road over Trib Boggy Bayou in Caddo Parish, Louisiana. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 110 by 2039. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBuncombe Road
CrossesTrib Boggy Bayou
Location2.8 MI E of US 79
RouteCounty Highway 0
Coordinates32.38023, -93.98887
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadGreater than HL 93
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic110 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Buncombe Road over Trib Boggy Bayou built?

It was built in 2022, making it 3 years old in 2025.

What condition is Buncombe Road over Trib Boggy Bayou 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 February 2025.

How much traffic does Buncombe Road over Trib Boggy Bayou carry?

About 100 vehicles per day (2019 count).

How long is Buncombe Road over Trib Boggy Bayou?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Buncombe Road over Trib Boggy Bayou?

It is owned by the County Highway Agency.