US Bridges

I0012 over LA 3158 (airport Rd)

Fair

Tangipahoa Parish, Louisiana · I0010 · Structure no. 625304540308511

Built
1975
50 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
3 main spans
Daily traffic
58,377
2021 count
Owner
State
State Highway Agency

About this bridge

I0012 over LA 3158 (airport Rd) is a prestressed concrete stringer/multi-beam or girder carrying I0012 over LA 3158 (airport Rd) in Tangipahoa Parish, Louisiana. It was built in 1975, so it is 50 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 58,377 vehicles a day, roughly 26% of them trucks, projected to reach 64,214 by 2041. The structure is 213 ft (64.9 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI0012
CrossesLA 3158 (airport Rd)
LocationI0010
RouteInterstate 12
CountyTangipahoa Parish
StateLouisiana
Coordinates30.47884, -90.4147
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span105 ft (32 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,377 (2021)
Projected traffic64,214 by 2041
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0012 over LA 3158 (airport Rd) built?

It was built in 1975, making it 50 years old in 2025.

What condition is I0012 over LA 3158 (airport Rd) 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 2023.

How much traffic does I0012 over LA 3158 (airport Rd) carry?

About 58,377 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I0012 over LA 3158 (airport Rd)?

The structure is 213 ft (64.9 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns I0012 over LA 3158 (airport Rd)?

It is owned by the State Highway Agency.