US Bridges

I0010 over LA429/NEW River

Fair

Ascension Parish, Louisiana · I0010 · Structure no. 610304501106812

Built
1975
50 years old, rebuilt 1998
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
261 ft
4 main spans
Daily traffic
25,735
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over LA429/NEW River is a prestressed concrete stringer/multi-beam or girder carrying I0010 over LA429/NEW River in Ascension Parish, Louisiana. It was built in 1975 and reconstructed in 1998, so it is 50 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 6 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 25,735 vehicles a day, roughly 9% of them trucks, projected to reach 28,308 by 2041. The structure is 261 ft (79.6 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI0010
CrossesLA429/NEW River
LocationI0010
RouteInterstate 10
Coordinates30.24025, -90.96939
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to 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 rating99 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span65 ft (19.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,735 (2021)
Projected traffic28,308 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0010 over LA429/NEW River built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1998.

What condition is I0010 over LA429/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 June 2024.

How much traffic does I0010 over LA429/NEW River carry?

About 25,735 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I0010 over LA429/NEW River?

The structure is 261 ft (79.6 m) long with a longest span of 65 ft (19.8 m) and a deck 43 ft wide.

Who owns I0010 over LA429/NEW River?

It is owned by the State Highway Agency.