US Bridges

Glen Leaf Drive over Trib to Gilmer Bayou

Good

Caddo Parish, Louisiana · 0.2 Mi. South of LA 511 · Structure no. 040932263935301

Built
2007
18 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
900
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Glen Leaf Drive over Trib to Gilmer Bayou is a concrete culvert carrying Glen Leaf Drive over Trib to Gilmer Bayou in Caddo Parish, Louisiana. It was built in 2007, so it is 18 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 900 vehicles a day, projected to reach 990 by 2023. The structure is 23 ft (7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGlen Leaf Drive
CrossesTrib to Gilmer Bayou
Location0.2 Mi. South of LA 511
RouteCounty Highway 0
Coordinates32.43812, -93.88296
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span5 ft (1.5 m)
Deck width42 ft (12.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2003)
Projected traffic990 by 2023
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Glen Leaf Drive over Trib to Gilmer Bayou built?

It was built in 2007, making it 18 years old in 2025.

What condition is Glen Leaf Drive 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 Glen Leaf Drive over Trib to Gilmer Bayou carry?

About 900 vehicles per day (2003 count).

How long is Glen Leaf Drive over Trib to Gilmer Bayou?

The structure is 23 ft (7 m) long with a longest span of 5 ft (1.5 m) and a deck 42 ft wide.

Who owns Glen Leaf Drive over Trib to Gilmer Bayou?

It is owned by the City or Municipal Highway Agency.