US Bridges

I0012 over West Colyell CR

Fair

Livingston Parish, Louisiana · 1.3 Miles East of LA 1026 · Structure no. 623204540205681

Built
1970
55 years old, rebuilt 2013
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
200 ft
8 main spans
Daily traffic
77,469
2021 count
Owner
State
State Highway Agency

About this bridge

I0012 over West Colyell CR is a concrete slab carrying I0012 over West Colyell CR in Livingston Parish, Louisiana. It was built in 1970 and reconstructed in 2013, so it is 55 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 77,469 vehicles a day, roughly 26% of them trucks, projected to reach 85,215 by 2041. The structure is 200 ft (61 m) long and 62 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesI0012
CrossesWest Colyell CR
Location1.3 Miles East of LA 1026
RouteInterstate 12
CountyLivingston Parish
StateLouisiana
Coordinates30.46616, -90.8952
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length200 ft (61 m)
Longest span25 ft (7.6 m)
Deck width62 ft (19 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,469 (2021)
Projected traffic85,215 by 2041
Trucks26%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 I0012 over West Colyell CR built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2013.

What condition is I0012 over West Colyell CR 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 February 2024.

How much traffic does I0012 over West Colyell CR carry?

About 77,469 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I0012 over West Colyell CR?

The structure is 200 ft (61 m) long with a longest span of 25 ft (7.6 m) and a deck 62 ft wide.

Who owns I0012 over West Colyell CR?

It is owned by the State Highway Agency.