US Bridges

Buncombe RD over Trib. to Gilmer Bayou

Good

Caddo Parish, Louisiana · 1.4 MI NE Caddo RD No 7 · Structure no. 040932248935301

Built
1999
26 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
6,138
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Buncombe RD over Trib. to Gilmer Bayou is a concrete culvert carrying Buncombe RD over Trib. to Gilmer Bayou in Caddo Parish, Louisiana. It was built in 1999, so it is 26 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 6,138 vehicles a day, projected to reach 6,751 by 2039. The structure is 35 ft (10.7 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesBuncombe RD
CrossesTrib. to Gilmer Bayou
Location1.4 MI NE Caddo RD No 7
RouteCity Street 0
CountyCaddo Parish
StateLouisiana
Coordinates32.4144, -93.88336
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,138 (2019)
Projected traffic6,751 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Trib. to Gilmer Bayou built?

It was built in 1999, making it 26 years old in 2025.

What condition is Buncombe RD over Trib. to Gilmer 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 April 2023.

How much traffic does Buncombe RD over Trib. to Gilmer Bayou carry?

About 6,138 vehicles per day (2019 count).

How long is Buncombe RD over Trib. to Gilmer Bayou?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 44 ft wide.

Who owns Buncombe RD over Trib. to Gilmer Bayou?

It is owned by the City or Municipal Highway Agency.