US Bridges

I0055 over US0190

Fair

Tangipahoa Parish, Louisiana · 1 Mile South of LA 3234 · Structure no. 625304529016952

Built
1968
57 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
4 main spans
Daily traffic
21,736
2021 count
Owner
State
State Highway Agency

About this bridge

I0055 over US0190 is a prestressed concrete stringer/multi-beam or girder carrying I0055 over US0190 in Tangipahoa 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 21,736 vehicles a day, roughly 26% of them trucks, projected to reach 23,909 by 2041. The structure is 234 ft (71.3 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0055
CrossesUS0190
Location1 Mile South of LA 3234
RouteInterstate 55
Coordinates30.50469, -90.5038
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span63 ft (19.2 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,736 (2021)
Projected traffic23,909 by 2041
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0055 over US0190 built?

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

What condition is I0055 over US0190 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 January 2025.

How much traffic does I0055 over US0190 carry?

About 21,736 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I0055 over US0190?

The structure is 234 ft (71.3 m) long with a longest span of 63 ft (19.2 m) and a deck 37 ft wide.

Who owns I0055 over US0190?

It is owned by the State Highway Agency.