US Bridges

US0090 over I-10

Fair

Calcasieu Parish, Louisiana · 0.4 MI S of LA 3112 · Structure no. 071000030200001

Built
1966
59 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
4 main spans
Daily traffic
4,815
2021 count
Owner
State
State Highway Agency

About this bridge

US0090 over I-10 is a steel stringer/multi-beam or girder carrying US0090 over I-10 in Calcasieu Parish, Louisiana. It was built in 1966, so it is 59 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 5 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 4,815 vehicles a day, roughly 17% of them trucks, projected to reach 5,296 by 2041. The structure is 252 ft (76.8 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS0090
CrossesI-10
Location0.4 MI S of LA 3112
RouteU.S. Route 90
Coordinates30.15414, -93.63835
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span85 ft (25.9 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,815 (2021)
Projected traffic5,296 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0090 over I-10 built?

It was built in 1966, making it 59 years old in 2025.

What condition is US0090 over I-10 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 November 2024.

How much traffic does US0090 over I-10 carry?

About 4,815 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is US0090 over I-10?

The structure is 252 ft (76.8 m) long with a longest span of 85 ft (25.9 m) and a deck 30 ft wide.

Who owns US0090 over I-10?

It is owned by the State Highway Agency.