US Bridges

I0010 over Drainage Canal

Good

Ascension Parish, Louisiana · 0.3 M SE of I-10&LA 941 · Structure no. 610304501113652

Built
1979
46 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
25,735
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Drainage Canal is a concrete culvert carrying I0010 over Drainage Canal in Ascension Parish, Louisiana. It was built in 1979, so it is 46 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 25,735 vehicles a day, roughly 9% of them trucks, projected to reach 28,308 by 2041. The structure is 31 ft (9.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesDrainage Canal
Location0.3 M SE of I-10&LA 941
RouteInterstate 10
Coordinates30.17635, -90.88632
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating64.6 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 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
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 Drainage Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is I0010 over Drainage Canal 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 January 2023.

How much traffic does I0010 over Drainage Canal carry?

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

How long is I0010 over Drainage Canal?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m) and a deck 40 ft wide.

Who owns I0010 over Drainage Canal?

It is owned by the State Highway Agency.