US Bridges

Ridge Rd. over Drainage Canal

Good

Lafayette Parish, Louisiana · .3 MI E of Rue Du Beller · Structure no. 032802180110971

Built
1997
28 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
160 ft
8 main spans
Daily traffic
13,000
2020 count
Owner
County
County Highway Agency

About this bridge

Ridge Rd. over Drainage Canal is a concrete slab carrying Ridge Rd. over Drainage Canal in Lafayette Parish, Louisiana. It was built in 1997, so it is 28 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 13,000 vehicles a day, projected to reach 14,300 by 2040. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRidge Rd.
CrossesDrainage Canal
Location.3 MI E of Rue Du Beller
RouteCounty Highway 0
Coordinates30.18128, -92.08621
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2020)
Projected traffic14,300 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ridge Rd. over Drainage Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ridge Rd. over Drainage Canal 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 Ridge Rd. over Drainage Canal carry?

About 13,000 vehicles per day (2020 count).

How long is Ridge Rd. over Drainage Canal?

The structure is 160 ft (48.8 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns Ridge Rd. over Drainage Canal?

It is owned by the County Highway Agency.