US Bridges

US0090 over LA 182/LA70/LOC/DRAINAGE

Fair

St. Mary Parish, Louisiana · 0.7 MI E of LA182 · Structure no. 035104240533051

Built
1977
48 years old, rebuilt 1994
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
14,161 ft
6 main spans
Daily traffic
7,885
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over LA 182/LA70/LOC/DRAINAGE is a steel stringer/multi-beam or girder carrying US0090 over LA 182/LA70/LOC/DRAINAGE in St. Mary Parish, Louisiana. It was built in 1977 and reconstructed in 1994, so it is 48 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 7,885 vehicles a day, roughly 14% of them trucks, projected to reach 8,673 by 2041. The structure is 14,161 ft (4,316.3 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS0090
CrossesLA 182/LA70/LOC/DRAINAGE
Location0.7 MI E of LA182
RouteU.S. Route 90
CountySt. Mary Parish
StateLouisiana
Coordinates29.69672, -91.21113
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6 (+183 approach)
Design loadHS 20
Structure length14,161 ft (4,316.3 m)
Longest span170 ft (51.8 m)
Deck width73 ft (22.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,885 (2021)
Projected traffic8,673 by 2041
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 US0090 over LA 182/LA70/LOC/DRAINAGE built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 1994.

What condition is US0090 over LA 182/LA70/LOC/DRAINAGE 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 March 2024.

How much traffic does US0090 over LA 182/LA70/LOC/DRAINAGE carry?

About 7,885 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US0090 over LA 182/LA70/LOC/DRAINAGE?

The structure is 14,161 ft (4,316.3 m) long with a longest span of 170 ft (51.8 m) and a deck 73 ft wide.

Who owns US0090 over LA 182/LA70/LOC/DRAINAGE?

It is owned by the State Highway Agency.