US Bridges

US0071 over Spillway Canal

Good

St. Landry Parish, Louisiana · 6.57 MI North of US 190 · Structure no. 034900080506571

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
656 ft
8 main spans
Daily traffic
1,695
2021 count
Owner
State
State Highway Agency

About this bridge

US0071 over Spillway Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying US0071 over Spillway Canal in St. Landry Parish, Louisiana. It was built in 2004, so it is 21 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,695 vehicles a day, roughly 13% of them trucks, projected to reach 1,864 by 2041. The structure is 656 ft (199.9 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS0071
CrossesSpillway Canal
Location6.57 MI North of US 190
RouteU.S. Route 71
Coordinates30.62035, -91.8788
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length656 ft (199.9 m)
Longest span81 ft (24.7 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,695 (2021)
Projected traffic1,864 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0071 over Spillway Canal built?

It was built in 2004, making it 21 years old in 2025.

What condition is US0071 over Spillway Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does US0071 over Spillway Canal carry?

About 1,695 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is US0071 over Spillway Canal?

The structure is 656 ft (199.9 m) long with a longest span of 81 ft (24.7 m) and a deck 46 ft wide.

Who owns US0071 over Spillway Canal?

It is owned by the State Highway Agency.