US Bridges

Bourque RD over Ile Des Cannes Coulee

FairPosted for load

Lafayette Parish, Louisiana · 0.4 MI W of US 167 · Structure no. 032830080920671

Built
1974
51 years old, rebuilt 1992
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
114 ft
6 main spans
Daily traffic
800
2020 count
Owner
County
County Highway Agency

About this bridge

Bourque RD over Ile Des Cannes Coulee is a concrete slab carrying Bourque RD over Ile Des Cannes Coulee in Lafayette Parish, Louisiana. It was built in 1974 and reconstructed in 1992, so it is 51 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 800 vehicles a day, projected to reach 880 by 2040. The structure is 114 ft (34.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBourque RD
CrossesIle Des Cannes Coulee
Location0.4 MI W of US 167
RouteCounty Highway 0
CountyLafayette Parish
StateLouisiana
Coordinates30.13444, -92.11439
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating23.6 US tons
Inventory rating18.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2020)
Projected traffic880 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bourque RD over Ile Des Cannes Coulee built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 1992.

What condition is Bourque RD over Ile Des Cannes Coulee in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Bourque RD over Ile Des Cannes Coulee carry?

About 800 vehicles per day (2020 count).

How long is Bourque RD over Ile Des Cannes Coulee?

The structure is 114 ft (34.7 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Bourque RD over Ile Des Cannes Coulee?

It is owned by the County Highway Agency.