US Bridges

Leblanc Rd. over Ile Des Cannes Coulee

Good

Lafayette Parish, Louisiana · 0.30 MI W of US 167 · Structure no. 032800000200143

Built
2013
12 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
620
2020 count
Owner
County
County Highway Agency

About this bridge

Leblanc Rd. over Ile Des Cannes Coulee is a prestressed concrete continuous stringer/multi-beam or girder carrying Leblanc Rd. over Ile Des Cannes Coulee in Lafayette Parish, Louisiana. It was built in 2013, so it is 12 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 620 vehicles a day, projected to reach 682 by 2040. The structure is 120 ft (36.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLeblanc Rd.
CrossesIle Des Cannes Coulee
Location0.30 MI W of US 167
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.12522, -92.11981
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2020)
Projected traffic682 by 2040
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

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 Leblanc Rd. over Ile Des Cannes Coulee built?

It was built in 2013, making it 12 years old in 2025.

What condition is Leblanc Rd. over Ile Des Cannes Coulee 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 October 2023.

How much traffic does Leblanc Rd. over Ile Des Cannes Coulee carry?

About 620 vehicles per day (2020 count).

How long is Leblanc Rd. over Ile Des Cannes Coulee?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Leblanc Rd. over Ile Des Cannes Coulee?

It is owned by the County Highway Agency.