US Bridges

US0190 over Drainage

Good

St. Tammany Parish, Louisiana · 0.9 M W of I-10 · Structure no. 625208522400731

Built
1970
55 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
61 ft
4 main spans
Daily traffic
20,256
2021 count
Owner
State
State Highway Agency

About this bridge

US0190 over Drainage is a concrete culvert carrying US0190 over Drainage in St. Tammany Parish, Louisiana. It was built in 1970, so it is 55 years old, older 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 20,256 vehicles a day, roughly 6% of them trucks, projected to reach 22,281 by 2041. The structure is 61 ft (18.6 m) long and 96 ft wide.

CarriesUS0190
CrossesDrainage
Location0.9 M W of I-10
RouteU.S. Route 190
Coordinates30.28466, -89.7677
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span12 ft (3.7 m)
Deck width96 ft (29.3 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,256 (2021)
Projected traffic22,281 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Drainage built?

It was built in 1970, making it 55 years old in 2025.

What condition is US0190 over Drainage 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 October 2023.

How much traffic does US0190 over Drainage carry?

About 20,256 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US0190 over Drainage?

The structure is 61 ft (18.6 m) long with a longest span of 12 ft (3.7 m) and a deck 96 ft wide.

Who owns US0190 over Drainage?

It is owned by the State Highway Agency.