US Bridges

I0010 over Off Rp to S US61

Good

Ascension Parish, Louisiana · I0010 · Structure no. 610304501118667

Built
1975
50 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
636 ft
9 main spans
Daily traffic
5,341
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Off Rp to S US61 is a prestressed concrete stringer/multi-beam or girder carrying I0010 over Off Rp to S US61 in Ascension Parish, Louisiana. It was built in 1975, 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 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 5,341 vehicles a day, roughly 28% of them trucks, projected to reach 5,875 by 2041. The structure is 636 ft (193.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesOff Rp to S US61
LocationI0010
RouteInterstate 10
Coordinates30.15356, -90.80791
Functional classRural Principal Arterial - Interstate

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.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length636 ft (193.9 m)
Longest span71 ft (21.6 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,341 (2021)
Projected traffic5,875 by 2041
Trucks28%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0010 over Off Rp to S US61 built?

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

What condition is I0010 over Off Rp to S US61 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 June 2024.

How much traffic does I0010 over Off Rp to S US61 carry?

About 5,341 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0010 over Off Rp to S US61?

The structure is 636 ft (193.9 m) long with a longest span of 71 ft (21.6 m) and a deck 28 ft wide.

Who owns I0010 over Off Rp to S US61?

It is owned by the State Highway Agency.