US Bridges

US0190 over Bayou

Good

St. Tammany Parish, Louisiana · .50 of a Mile East of LA · Structure no. 625200000620298

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
12,700
2016 count
Owner
State
State Highway Agency

About this bridge

US0190 over Bayou is a concrete slab carrying US0190 over Bayou in St. Tammany Parish, Louisiana. It was built in 2013, so it is 12 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,700 vehicles a day, roughly 6% of them trucks, projected to reach 13,970 by 2036. The structure is 180 ft (54.9 m) long and 37 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS0190
CrossesBayou
Location.50 of a Mile East of LA
RouteU.S. Route 190
CountySt. Tammany Parish
StateLouisiana
Coordinates30.38404, -90.079
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating49.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span20 ft (6.1 m)
Deck width37 ft (11.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,700 (2016)
Projected traffic13,970 by 2036
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0190 over Bayou built?

It was built in 2013, making it 12 years old in 2025.

What condition is US0190 over Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does US0190 over Bayou carry?

About 12,700 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is US0190 over Bayou?

The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 37 ft wide.

Who owns US0190 over Bayou?

It is owned by the State Highway Agency.