US Bridges

US0071 over Bayou Toulon

Fair

Red River Parish, Louisiana · .5 MI North of LA 514 · Structure no. 044100100314971

Built
1977
48 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
181 ft
9 main spans
Daily traffic
2,559
2021 count
Owner
State
State Highway Agency

About this bridge

US0071 over Bayou Toulon is a concrete slab carrying US0071 over Bayou Toulon in Red River Parish, Louisiana. It was built in 1977, so it is 48 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 2,559 vehicles a day, roughly 26% of them trucks, projected to reach 2,814 by 2041. The structure is 181 ft (55.2 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS0071
CrossesBayou Toulon
Location.5 MI North of LA 514
RouteU.S. Route 71
Coordinates32.2068, -93.4023
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length181 ft (55.2 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,559 (2021)
Projected traffic2,814 by 2041
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0071 over Bayou Toulon built?

It was built in 1977, making it 48 years old in 2025.

What condition is US0071 over Bayou Toulon 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 2024.

How much traffic does US0071 over Bayou Toulon carry?

About 2,559 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is US0071 over Bayou Toulon?

The structure is 181 ft (55.2 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0071 over Bayou Toulon?

It is owned by the State Highway Agency.