US Bridges

I-90 WB over Nipsco Access Road

Fair

Lake County, Indiana · 00.52 E US 20 · Structure no. 046240

Built
1956
69 years old, rebuilt 2019
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
3 main spans
Daily traffic
15,083
2011 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 WB over Nipsco Access Road is a steel stringer/multi-beam or girder carrying I-90 WB over Nipsco Access Road in Lake County, Indiana. It was built in 1956 and reconstructed in 2019, 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 6 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 15,083 vehicles a day, roughly 14% of them trucks, projected to reach 41,903 by 2031. The structure is 114 ft (34.7 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-90 WB
CrossesNipsco Access Road
Location00.52 E US 20
RouteInterstate 90
CountyLake County
StateIndiana
Coordinates41.611, -87.47115
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating64.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length114 ft (34.7 m)
Longest span33 ft (10 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,083 (2011)
Projected traffic41,903 by 2031
Trucks14%
Lanes on structure2
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 Nipsco Access Road built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2019.

What condition is I-90 WB over Nipsco Access Road 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 June 2023.

How much traffic does I-90 WB over Nipsco Access Road carry?

About 15,083 vehicles per day (2011 count), of which roughly 14% are trucks.

How long is I-90 WB over Nipsco Access Road?

The structure is 114 ft (34.7 m) long with a longest span of 33 ft (10 m) and a deck 35 ft wide.

Who owns I-90 WB over Nipsco Access Road?

It is owned by the State Toll Authority.