US Bridges

I-90 WB over Hamstrom Road

Fair

Porter County, Indiana · 02.50 W SR 149 · Structure no. 046800

Built
1956
69 years old, rebuilt 1989
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
3 main spans
Daily traffic
16,295
2014 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 WB over Hamstrom Road is a steel stringer/multi-beam or girder carrying I-90 WB over Hamstrom Road in Porter County, Indiana. It was built in 1956 and reconstructed in 1989, 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 16,295 vehicles a day, roughly 24% of them trucks, projected to reach 48,801 by 2031. The structure is 122 ft (37.1 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-90 WB
CrossesHamstrom Road
Location02.50 W SR 149
RouteInterstate 90
CountyPorter County
StateIndiana
Coordinates41.58011, -87.16859
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 alignment6: Equal to present minimum criteria
Operating rating94.9 US tons
Inventory rating56.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.1 m)
Longest span33 ft (10 m)
Deck width56 ft (17 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,295 (2014)
Projected traffic48,801 by 2031
Trucks24%
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 Hamstrom Road built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1989.

What condition is I-90 WB over Hamstrom 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 July 2023.

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

About 16,295 vehicles per day (2014 count), of which roughly 24% are trucks.

How long is I-90 WB over Hamstrom Road?

The structure is 122 ft (37.1 m) long with a longest span of 33 ft (10 m) and a deck 56 ft wide.

Who owns I-90 WB over Hamstrom Road?

It is owned by the State Toll Authority.