US Bridges

I-90 EB Ramp to 91 over I-90 Ihb RR Sheffield

Fair

Lake County, Indiana · 00.83 W US 41 · Structure no. 045977

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
934 ft
10 main spans
Daily traffic
550
2015 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 EB Ramp to 91 over I-90 Ihb RR Sheffield is a steel stringer/multi-beam or girder carrying I-90 EB Ramp to 91 over I-90 Ihb RR Sheffield in Lake County, Indiana. It was built in 1984, so it is 41 years old, younger 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 550 vehicles a day, roughly 55% of them trucks, projected to reach 12,716 by 2031. The structure is 934 ft (284.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-90 EB Ramp to 91
CrossesI-90 Ihb RR Sheffield
Location00.83 W US 41
RouteInterstate 912
CountyLake County
StateIndiana
Coordinates41.65629, -87.51504
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.8 US tons
Inventory rating38.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length934 ft (284.6 m)
Longest span105 ft (32 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2015)
Projected traffic12,716 by 2031
Trucks55%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 EB Ramp to 91 over I-90 Ihb RR Sheffield built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-90 EB Ramp to 91 over I-90 Ihb RR Sheffield 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 EB Ramp to 91 over I-90 Ihb RR Sheffield carry?

About 550 vehicles per day (2015 count), of which roughly 55% are trucks.

How long is I-90 EB Ramp to 91 over I-90 Ihb RR Sheffield?

The structure is 934 ft (284.6 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns I-90 EB Ramp to 91 over I-90 Ihb RR Sheffield?

It is owned by the State Toll Authority.