US Bridges

I0010 over US 90 & SP RR

Fair

Calcasieu Parish, Louisiana · I-10 E.B. over US 90 · Structure no. 071004509131831

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,033 ft
11 main spans
Daily traffic
71,437
2021 count
Owner
State
State Highway Agency

About this bridge

I0010 over US 90 & SP RR is a steel stringer/multi-beam or girder carrying I0010 over US 90 & SP RR in Calcasieu Parish, Louisiana. It was built in 1961, so it is 64 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 71,437 vehicles a day, roughly 25% of them trucks, projected to reach 78,580 by 2041. The structure is 1,033 ft (314.9 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI0010
CrossesUS 90 & SP RR
LocationI-10 E.B. over US 90
RouteInterstate 10
Coordinates30.23733, -93.19002
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,033 ft (314.9 m)
Longest span142 ft (43.3 m)
Deck width45 ft (13.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,437 (2021)
Projected traffic78,580 by 2041
Trucks25%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I0010 over US 90 & SP RR built?

It was built in 1961, making it 64 years old in 2025.

What condition is I0010 over US 90 & SP RR 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 April 2024.

How much traffic does I0010 over US 90 & SP RR carry?

About 71,437 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I0010 over US 90 & SP RR?

The structure is 1,033 ft (314.9 m) long with a longest span of 142 ft (43.3 m) and a deck 45 ft wide.

Who owns I0010 over US 90 & SP RR?

It is owned by the State Highway Agency.