US Bridges

15th Avenue over I-90 Eb/Wb

Good

Lake County, Indiana · 00.83 E US 12 · Structure no. 046600

Built
2004
21 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
2 main spans
Daily traffic
7,044
2014 count
Owner
Toll Authority
State Toll Authority

About this bridge

15th Avenue over I-90 Eb/Wb is a steel continuous stringer/multi-beam or girder carrying 15th Avenue over I-90 Eb/Wb in Lake County, Indiana. It was built in 2004, so it is 21 years old, younger 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 7,044 vehicles a day, roughly 9% of them trucks, projected to reach 19,302 by 2031. The structure is 235 ft (71.6 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries15th Avenue
CrossesI-90 Eb/Wb
Location00.83 E US 12
RouteCity Street 0
CountyLake County
StateIndiana
Coordinates41.58738, -87.30258
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.7 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span124 ft (37.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,044 (2014)
Projected traffic19,302 by 2031
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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 15th Avenue over I-90 Eb/Wb built?

It was built in 2004, making it 21 years old in 2025.

What condition is 15th Avenue over I-90 Eb/Wb 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 15th Avenue over I-90 Eb/Wb carry?

About 7,044 vehicles per day (2014 count), of which roughly 9% are trucks.

How long is 15th Avenue over I-90 Eb/Wb?

The structure is 235 ft (71.6 m) long with a longest span of 124 ft (37.8 m) and a deck 47 ft wide.

Who owns 15th Avenue over I-90 Eb/Wb?

It is owned by the State Toll Authority.