US Bridges

I0010 over LA975 E Floodway LA3000

Fair

Iberville Parish, Louisiana · 5.6 MI E of LA3177 Onramp · Structure no. 612404500700651

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
41,996 ft
596 main spans
Daily traffic
21,450
2016 count
Owner
State
State Highway Agency

About this bridge

I0010 over LA975 E Floodway LA3000 is a prestressed concrete stringer/multi-beam or girder carrying I0010 over LA975 E Floodway LA3000 in Iberville Parish, Louisiana. It was built in 1972, so it is 53 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 21,450 vehicles a day, roughly 28% of them trucks, projected to reach 23,595 by 2036. The structure is 41,996 ft (12,800.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesLA975 E Floodway LA3000
Location5.6 MI E of LA3177 Onramp
RouteInterstate 10
Coordinates30.36636, -91.63427
Functional classRural 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans596 (+1 approach)
Design loadHS 20
Structure length41,996 ft (12,800.4 m)
Longest span90 ft (27.4 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,450 (2016)
Projected traffic23,595 by 2036
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I0010 over LA975 E Floodway LA3000 built?

It was built in 1972, making it 53 years old in 2025.

What condition is I0010 over LA975 E Floodway LA3000 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 August 2023.

How much traffic does I0010 over LA975 E Floodway LA3000 carry?

About 21,450 vehicles per day (2016 count), of which roughly 28% are trucks.

How long is I0010 over LA975 E Floodway LA3000?

The structure is 41,996 ft (12,800.4 m) long with a longest span of 90 ft (27.4 m) and a deck 43 ft wide.

Who owns I0010 over LA975 E Floodway LA3000?

It is owned by the State Highway Agency.