US Bridges

US0090 over I-10/RAMPS

Poor

Calcasieu Parish, Louisiana · 2.6 MI E of LA 108 · Structure no. 071000030405781

Built
1960
65 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,172 ft
2 main spans
Daily traffic
9,865
2023 count
Owner
State
State Highway Agency

About this bridge

US0090 over I-10/RAMPS is a steel stringer/multi-beam or girder carrying US0090 over I-10/RAMPS in Calcasieu Parish, Louisiana. It was built in 1960, so it is 65 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,865 vehicles a day, roughly 10% of them trucks, projected to reach 10,851 by 2043. The structure is 1,172 ft (357.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS0090
CrossesI-10/RAMPS
Location2.6 MI E of LA 108
RouteU.S. Route 90
CountyCalcasieu Parish
StateLouisiana
Coordinates30.2372, -93.28126
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+15 approach)
Design loadHS 20
Structure length1,172 ft (357.2 m)
Longest span174 ft (53 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,865 (2023)
Projected traffic10,851 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US0090 over I-10/RAMPS built?

It was built in 1960, making it 65 years old in 2025.

What condition is US0090 over I-10/RAMPS in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does US0090 over I-10/RAMPS carry?

About 9,865 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US0090 over I-10/RAMPS?

The structure is 1,172 ft (357.2 m) long with a longest span of 174 ft (53 m) and a deck 33 ft wide.

Who owns US0090 over I-10/RAMPS?

It is owned by the State Highway Agency.