US Bridges

LA0022 over I-55

Fair

Tangipahoa Parish, Louisiana · LA0022 · Structure no. 625302610305501

Built
1960
65 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
355 ft
6 main spans
Daily traffic
18,757
2021 count
Owner
State
State Highway Agency

About this bridge

LA0022 over I-55 is a steel stringer/multi-beam or girder carrying LA0022 over I-55 in Tangipahoa Parish, Louisiana. It was built in 1960, so it is 65 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 18,757 vehicles a day, roughly 8% of them trucks, projected to reach 20,632 by 2041. The structure is 355 ft (108.2 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLA0022
CrossesI-55
LocationLA0022
RouteState Highway 22
CountyTangipahoa Parish
StateLouisiana
Coordinates30.43823, -90.461
Functional classUrban Minor Arterial

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.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length355 ft (108.2 m)
Longest span69 ft (21 m)
Deck width61 ft (18.5 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,757 (2021)
Projected traffic20,632 by 2041
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 LA0022 over I-55 built?

It was built in 1960, making it 65 years old in 2025.

What condition is LA0022 over I-55 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 LA0022 over I-55 carry?

About 18,757 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0022 over I-55?

The structure is 355 ft (108.2 m) long with a longest span of 69 ft (21 m) and a deck 61 ft wide.

Who owns LA0022 over I-55?

It is owned by the State Highway Agency.