US Bridges

US0071 over Bayou Rigolette

Poor

Grant Parish, Louisiana · .7 MI South of LA 8 · Structure no. 082200090212551

Built
1950
75 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
234 ft
7 main spans
Daily traffic
1,931
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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,931 vehicles a day, roughly 15% of them trucks, projected to reach 2,124 by 2041. The structure is 234 ft (71.3 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
Location.7 MI South of LA 8
RouteU.S. Route 71
CountyGrant Parish
StateLouisiana
Coordinates31.52787, -92.6689
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span34 ft (10.4 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,931 (2021)
Projected traffic2,124 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 poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does US0071 over Bayou Rigolette carry?

About 1,931 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US0071 over Bayou Rigolette?

The structure is 234 ft (71.3 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.