US Bridges

I-90 WB over Bridge Street

Good

Lake County, Indiana · 01.15 E US 12 · Structure no. 046390

Built
1956
69 years old, rebuilt 2011
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
370 ft
7 main spans
Daily traffic
17,316
2011 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 WB over Bridge Street is a steel stringer/multi-beam or girder carrying I-90 WB over Bridge Street in Lake County, Indiana. It was built in 1956 and reconstructed in 2011, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,316 vehicles a day, roughly 14% of them trucks, projected to reach 38,293 by 2031. The structure is 370 ft (112.7 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-90 WB
CrossesBridge Street
Location01.15 E US 12
RouteInterstate 90
CountyLake County
StateIndiana
Coordinates41.60964, -87.37199
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length370 ft (112.7 m)
Longest span63 ft (19.2 m)
Deck width61 ft (18.7 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,316 (2011)
Projected traffic38,293 by 2031
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Bridge Street built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2011.

What condition is I-90 WB over Bridge Street in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does I-90 WB over Bridge Street carry?

About 17,316 vehicles per day (2011 count), of which roughly 14% are trucks.

How long is I-90 WB over Bridge Street?

The structure is 370 ft (112.7 m) long with a longest span of 63 ft (19.2 m) and a deck 61 ft wide.

Who owns I-90 WB over Bridge Street?

It is owned by the State Toll Authority.