US Bridges

US0090 over Ground

Good

Assumption Parish, Louisiana · 1.0 M W of US 90&LA 662 · Structure no. 610404240600015

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
266 ft
7 main spans
Daily traffic
12,192
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over Ground is a concrete slab carrying US0090 over Ground in Assumption Parish, Louisiana. It was built in 1998, so it is 27 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 12,192 vehicles a day, roughly 14% of them trucks, projected to reach 13,411 by 2041. The structure is 266 ft (81.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS0090
CrossesGround
Location1.0 M W of US 90&LA 662
RouteU.S. Route 90
Coordinates29.6707, -91.109
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7 (+2 approach)
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span65 ft (19.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,192 (2021)
Projected traffic13,411 by 2041
Trucks14%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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 US0090 over Ground built?

It was built in 1998, making it 27 years old in 2025.

What condition is US0090 over Ground 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 August 2024.

How much traffic does US0090 over Ground carry?

About 12,192 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US0090 over Ground?

The structure is 266 ft (81.1 m) long with a longest span of 65 ft (19.8 m) and a deck 33 ft wide.

Who owns US0090 over Ground?

It is owned by the State Highway Agency.