US Bridges

US0071 over Bayou Rigolette

Fair

Grant Parish, Louisiana · 1.1 MI North of LA 492 · Structure no. 082200090207561

Built
1950
75 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
238 ft
7 main spans
Daily traffic
2,063
2021 count
Owner
State
State Highway Agency

About this bridge

US0071 over Bayou Rigolette is a concrete tee beam carrying US0071 over Bayou Rigolette in Grant Parish, Louisiana. It was built in 1950, so it is 75 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.

It carries about 2,063 vehicles a day, roughly 15% of them trucks, projected to reach 2,269 by 2041. The structure is 238 ft (72.5 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesUS0071
CrossesBayou Rigolette
Location1.1 MI North of LA 492
RouteU.S. Route 71
CountyGrant Parish
StateLouisiana
Coordinates31.47804, -92.6085
Functional classRural Minor Arterial

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.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span34 ft (10.4 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,063 (2021)
Projected traffic2,269 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US0071 over Bayou Rigolette built?

It was built in 1950, making it 75 years old in 2025.

What condition is US0071 over Bayou Rigolette 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 July 2024.

How much traffic does US0071 over Bayou Rigolette carry?

About 2,063 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US0071 over Bayou Rigolette?

The structure is 238 ft (72.5 m) long with a longest span of 34 ft (10.4 m) and a deck 35 ft wide.

Who owns US0071 over Bayou Rigolette?

It is owned by the State Highway Agency.