US Bridges

US0190 over French Branch

Fair

St. Tammany Parish, Louisiana · US0190 · Structure no. 625208522600771

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
9,260
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 1963, so it is 62 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 9,260 vehicles a day, roughly 8% of them trucks, projected to reach 10,186 by 2041. The structure is 100 ft (30.5 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesUS0190
CrossesFrench Branch
LocationUS0190
RouteU.S. Route 190
CountySt. Tammany Parish
StateLouisiana
Coordinates30.27199, -89.7185
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,260 (2021)
Projected traffic10,186 by 2041
Trucks8%
Lanes on structure2
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$498,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US0190 over French Branch built?

It was built in 1963, making it 62 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 9,260 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is US0190 over French Branch?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns US0190 over French Branch?

It is owned by the State Highway Agency.