US Bridges

US0190 over French Branch

Fair

St. Tammany Parish, Louisiana · US 190 Log MI 2.89 · Structure no. 625208522402891

Built
1984
41 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
21,254
2021 count
Owner
State
State Highway Agency

About this bridge

US0190 over French Branch is a concrete slab carrying US0190 over French Branch in St. Tammany Parish, Louisiana. It was built in 1984, so it is 41 years old, younger 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 21,254 vehicles a day, roughly 8% of them trucks, projected to reach 23,379 by 2041. The structure is 80 ft (24.4 m) long and 81 ft wide.

Location

Open in Google Maps
CarriesUS0190
CrossesFrench Branch
LocationUS 190 Log MI 2.89
RouteU.S. Route 190
CountySt. Tammany Parish
StateLouisiana
Coordinates30.28789, -89.7323
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width81 ft (24.7 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,254 (2021)
Projected traffic23,379 by 2041
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0190 over French Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is US0190 over French Branch 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 October 2023.

How much traffic does US0190 over French Branch carry?

About 21,254 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is US0190 over French Branch?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 81 ft wide.

Who owns US0190 over French Branch?

It is owned by the State Highway Agency.