US Bridges

Buncombe RD over Boggy Bayou Trib

Good

Caddo Parish, Louisiana · 1.7 Mmi. E. of LA 169 on · Structure no. 040900000040423

Built
2015
10 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Buncombe RD over Boggy Bayou Trib is a concrete slab carrying Buncombe RD over Boggy Bayou Trib in Caddo Parish, Louisiana. It was built in 2015, so it is 10 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 100 vehicles a day, projected to reach 110 by 2039. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesBuncombe RD
CrossesBoggy Bayou Trib
Location1.7 Mmi. E. of LA 169 on
RouteCounty Highway 0
CountyCaddo Parish
StateLouisiana
Coordinates32.38493, -93.9375
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59.3 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 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 closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Buncombe RD over Boggy Bayou Trib built?

It was built in 2015, making it 10 years old in 2025.

What condition is Buncombe RD over Boggy Bayou Trib 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 January 2025.

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

About 100 vehicles per day (2019 count).

How long is Buncombe RD over Boggy Bayou Trib?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Buncombe RD over Boggy Bayou Trib?

It is owned by the County Highway Agency.