US Bridges

US0190 over Bayou Chinchuba

Good

St. Tammany Parish, Louisiana · .50 of a Mile East of LA · Structure no. 625200000620299

Built
2014
11 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
180 ft
9 main spans
Daily traffic
3,755
2021 count
Owner
State
State Highway Agency

About this bridge

US0190 over Bayou Chinchuba is a concrete slab carrying US0190 over Bayou Chinchuba in St. Tammany Parish, Louisiana. It was built in 2014, so it is 11 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,755 vehicles a day, roughly 6% of them trucks, projected to reach 4,130 by 2041. 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 Chinchuba
Location.50 of a Mile East of LA
RouteU.S. Route 190
CountySt. Tammany Parish
StateLouisiana
Coordinates30.38455, -90.0791
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
Deck7 GoodSome minor problems.
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
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 traffic3,755 (2021)
Projected traffic4,130 by 2041
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 Chinchuba built?

It was built in 2014, making it 11 years old in 2025.

What condition is US0190 over Bayou Chinchuba 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 Chinchuba carry?

About 3,755 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US0190 over Bayou Chinchuba?

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 Chinchuba?

It is owned by the State Highway Agency.