US Bridges

I-90 WB over Css & SB RR

Fair

LaPorte County, Indiana · 08.01 E SR 39 · Structure no. 047440

Built
1956
69 years old, rebuilt 1987
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
221 ft
3 main spans
Daily traffic
12,966
2011 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 WB over Css & SB RR is a steel stringer/multi-beam or girder carrying I-90 WB over Css & SB RR in LaPorte County, Indiana. It was built in 1956 and reconstructed in 1987, so it is 69 years old, older than the Indiana average of 46.6 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 12,966 vehicles a day, roughly 24% of them trucks, projected to reach 26,252 by 2031. The structure is 221 ft (67.3 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-90 WB
CrossesCss & SB RR
Location08.01 E SR 39
RouteInterstate 90
StateIndiana
Coordinates41.71682, -86.61015
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.7 US tons
Inventory rating53.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length221 ft (67.3 m)
Longest span76 ft (23.1 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,966 (2011)
Projected traffic26,252 by 2031
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-90 WB over Css & SB RR built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1987.

What condition is I-90 WB over Css & SB 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 July 2023.

How much traffic does I-90 WB over Css & SB RR carry?

About 12,966 vehicles per day (2011 count), of which roughly 24% are trucks.

How long is I-90 WB over Css & SB RR?

The structure is 221 ft (67.3 m) long with a longest span of 76 ft (23.1 m) and a deck 35 ft wide.

Who owns I-90 WB over Css & SB RR?

It is owned by the State Toll Authority.