US Bridges

Guilbeau Rd. over Drainage

Good

Lafayette Parish, Louisiana · .1 MI E. of LA 3073 · Structure no. 032830120920441

Built
1984
41 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
41 ft
1 main span
Daily traffic
1,478
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Guilbeau Rd. over Drainage is a concrete culvert carrying Guilbeau Rd. over Drainage in Lafayette Parish, Louisiana. It was built in 1984, so it is 41 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 1,478 vehicles a day, projected to reach 1,625 by 2040. The structure is 41 ft (12.5 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGuilbeau Rd.
CrossesDrainage
Location.1 MI E. of LA 3073
RouteCounty Highway 0
Coordinates30.20132, -92.07388
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width80 ft (24.4 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,478 (2020)
Projected traffic1,625 by 2040
Trucks—
Lanes on structure4
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 Guilbeau Rd. over Drainage built?

It was built in 1984, making it 41 years old in 2025.

What condition is Guilbeau Rd. over Drainage 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 2024.

How much traffic does Guilbeau Rd. over Drainage carry?

About 1,478 vehicles per day (2020 count).

How long is Guilbeau Rd. over Drainage?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 80 ft wide.

Who owns Guilbeau Rd. over Drainage?

It is owned by the City or Municipal Highway Agency.