US Bridges

I0010 over Bayou Grosse Tete

Fair

Iberville Parish, Louisiana · I0010 · Structure no. 612404500712993

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
200 ft
6 main spans
Daily traffic
557
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Bayou Grosse Tete is a steel stringer/multi-beam or girder carrying I0010 over Bayou Grosse Tete 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 557 vehicles a day, roughly 10% of them trucks, projected to reach 612 by 2041. The structure is 200 ft (61 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesBayou Grosse Tete
LocationI0010
RouteInterstate 10
Coordinates30.41802, -91.4339
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.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans6
Design loadHS 20
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic557 (2021)
Projected traffic612 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 Bayou Grosse Tete built?

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

What condition is I0010 over Bayou Grosse Tete 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 Bayou Grosse Tete carry?

About 557 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is I0010 over Bayou Grosse Tete?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns I0010 over Bayou Grosse Tete?

It is owned by the State Highway Agency.