US Bridges

Bowie RD over Coulee

FairPosted for load

Lafourche Parish, Louisiana · 0065 Log MI from Int · Structure no. 022929266904841

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
76 ft
4 main spans
Daily traffic
4,080
2021 count
Owner
County
County Highway Agency

About this bridge

Bowie RD over Coulee is a concrete slab carrying Bowie RD over Coulee in Lafourche Parish, Louisiana. It was built in 1972, so it is 53 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 4,080 vehicles a day, projected to reach 4,488 by 2041. The structure is 76 ft (23.2 m) long and 39 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesBowie RD
CrossesCoulee
Location0065 Log MI from Int
RouteCounty Highway 0
CountyLafourche Parish
StateLouisiana
Coordinates29.78622, -90.80074
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width39 ft (11.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,080 (2021)
Projected traffic4,488 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bowie RD over Coulee built?

It was built in 1972, making it 53 years old in 2025.

What condition is Bowie RD over 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 June 2023.

How much traffic does Bowie RD over Coulee carry?

About 4,080 vehicles per day (2021 count).

How long is Bowie RD over Coulee?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 39 ft wide.

Who owns Bowie RD over Coulee?

It is owned by the County Highway Agency.