US Bridges

US0190 over Tchefuncte River

Fair

St. Tammany Parish, Louisiana · US0190 · Structure no. 625200131004551

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
662 ft
1 main span
Daily traffic
11,418
2021 count
Owner
State
State Highway Agency

About this bridge

US0190 over Tchefuncte River is a steel stringer/multi-beam or girder carrying US0190 over Tchefuncte River in St. Tammany 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 11,418 vehicles a day, roughly 12% of them trucks, projected to reach 12,559 by 2041. The structure is 662 ft (201.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesUS0190
CrossesTchefuncte River
LocationUS0190
RouteU.S. Route 190
CountySt. Tammany Parish
StateLouisiana
Coordinates30.49418, -90.1711
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+14 approach)
Design loadHS 20
Structure length662 ft (201.8 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,418 (2021)
Projected traffic12,559 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Tchefuncte River built?

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

What condition is US0190 over Tchefuncte 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 Tchefuncte River carry?

About 11,418 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US0190 over Tchefuncte River?

The structure is 662 ft (201.8 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns US0190 over Tchefuncte River?

It is owned by the State Highway Agency.