US Bridges

US0190 over Abita River

Fair

St. Tammany Parish, Louisiana · 2.1 Miles North of I-12 · Structure no. 625200131101161

Built
1975
50 years old, rebuilt 2006
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
5 main spans
Daily traffic
45,574
2021 count
Owner
State
State Highway Agency

About this bridge

US0190 over Abita River is a prestressed concrete stringer/multi-beam or girder carrying US0190 over Abita River in St. Tammany Parish, Louisiana. It was built in 1975 and reconstructed in 2006, 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 45,574 vehicles a day, roughly 6% of them trucks, projected to reach 50,131 by 2041. The structure is 250 ft (76.2 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0190
CrossesAbita River
Location2.1 Miles North of I-12
RouteU.S. Route 190
Coordinates30.46059, -90.0827
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span50 ft (15.2 m)
Deck width52 ft (15.8 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,574 (2021)
Projected traffic50,131 by 2041
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US0190 over Abita River built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2006.

What condition is US0190 over Abita River 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 September 2023.

How much traffic does US0190 over Abita River carry?

About 45,574 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US0190 over Abita River?

The structure is 250 ft (76.2 m) long with a longest span of 50 ft (15.2 m) and a deck 52 ft wide.

Who owns US0190 over Abita River?

It is owned by the State Highway Agency.