US Bridges

US0061 over New River

Fair

Ascension Parish, Louisiana · 50 Ft N of LA 429 · Structure no. 610300070704692

Built
1956
69 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
29,303
2021 count
Owner
State
State Highway Agency

About this bridge

US0061 over New River is a concrete slab carrying US0061 over New River in Ascension Parish, Louisiana. It was built in 1956, so it is 69 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 29,303 vehicles a day, roughly 9% of them trucks, projected to reach 32,233 by 2041. The structure is 120 ft (36.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0061
CrossesNew River
Location50 Ft N of LA 429
RouteU.S. Route 61
Coordinates30.23671, -90.91227
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,303 (2021)
Projected traffic32,233 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US0061 over New River built?

It was built in 1956, making it 69 years old in 2025.

What condition is US0061 over New River 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 April 2023.

How much traffic does US0061 over New River carry?

About 29,303 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US0061 over New River?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 45 ft wide.

Who owns US0061 over New River?

It is owned by the State Highway Agency.