US Bridges

I0010 over Drain

Fair

St. Martin Parish, Louisiana · 5 MI E of LA 328 · Structure no. 035004500607331

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
5,704
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over Drain is a concrete culvert carrying I0010 over Drain in St. Martin Parish, Louisiana. It was built in 1968, so it is 57 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 5,704 vehicles a day, roughly 28% of them trucks, projected to reach 6,274 by 2041. The structure is 22 ft (6.7 m) long and 345 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI0010
CrossesDrain
Location5 MI E of LA 328
RouteInterstate 10
Coordinates30.31479, -91.83512
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width345 ft (105.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,704 (2021)
Projected traffic6,274 by 2041
Trucks28%
Lanes on structure4
Traffic directionTwo-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 Drain built?

It was built in 1968, making it 57 years old in 2025.

What condition is I0010 over Drain 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 May 2023.

How much traffic does I0010 over Drain carry?

About 5,704 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is I0010 over Drain?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 345 ft wide.

Who owns I0010 over Drain?

It is owned by the State Highway Agency.