US Bridges

Lake Street over I-90 Eb/Wb

Fair

Lake County, Indiana · 01.35 W SR 51 · Structure no. 046640

Built
1956
69 years old, rebuilt 1986
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
220 ft
4 main spans
Daily traffic
3,498
2015 count
Owner
Toll Authority
State Toll Authority

About this bridge

Lake Street over I-90 Eb/Wb is a steel stringer/multi-beam or girder carrying Lake Street over I-90 Eb/Wb in Lake County, Indiana. It was built in 1956 and reconstructed in 1986, 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 3,498 vehicles a day, roughly 5% of them trucks, projected to reach 7,533 by 2031. The structure is 220 ft (67 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLake Street
CrossesI-90 Eb/Wb
Location01.35 W SR 51
RouteCity Street 0
CountyLake County
StateIndiana
Coordinates41.59021, -87.26626
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.2 US tons
Inventory rating46.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length220 ft (67 m)
Longest span66 ft (20.1 m)
Deck width40 ft (12.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,498 (2015)
Projected traffic7,533 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 Lake Street over I-90 Eb/Wb built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1986.

What condition is Lake Street over I-90 Eb/Wb 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 Lake Street over I-90 Eb/Wb carry?

About 3,498 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Lake Street over I-90 Eb/Wb?

The structure is 220 ft (67 m) long with a longest span of 66 ft (20.1 m) and a deck 40 ft wide.

Who owns Lake Street over I-90 Eb/Wb?

It is owned by the State Toll Authority.