US Bridges

I0010 over Atchafalaya Floodway

Good

Iberville Parish, Louisiana · 3.8 M W of LA 3000 · Structure no. 612404500703921

Built
1991
34 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
3 main spans
Daily traffic
20,508
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Atchafalaya Floodway is a prestressed concrete stringer/multi-beam or girder carrying I0010 over Atchafalaya Floodway in Iberville Parish, Louisiana. It was built in 1991, so it is 34 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 20,508 vehicles a day, roughly 28% of them trucks, projected to reach 22,558 by 2041. The structure is 129 ft (39.3 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI0010
CrossesAtchafalaya Floodway
Location3.8 M W of LA 3000
RouteInterstate 10
Coordinates30.38386, -91.56897
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span43 ft (13.1 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,508 (2021)
Projected traffic22,558 by 2041
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0010 over Atchafalaya Floodway built?

It was built in 1991, making it 34 years old in 2025.

What condition is I0010 over Atchafalaya Floodway 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 August 2023.

How much traffic does I0010 over Atchafalaya Floodway carry?

About 20,508 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0010 over Atchafalaya Floodway?

The structure is 129 ft (39.3 m) long with a longest span of 43 ft (13.1 m) and a deck 55 ft wide.

Who owns I0010 over Atchafalaya Floodway?

It is owned by the State Highway Agency.