US Bridges

I-90 over Willow Creek

Fair

Porter County, Indiana · 00.05 S RR · Structure no. 046752

Built
1957
68 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
34,670
2014 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 over Willow Creek is a concrete culvert carrying I-90 over Willow Creek in Porter County, Indiana. It was built in 1957, so it is 68 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 34,670 vehicles a day, roughly 24% of them trucks, projected to reach 51,716 by 2030. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-90
CrossesWillow Creek
Location00.05 S RR
RouteInterstate 90
CountyPorter County
StateIndiana
Coordinates41.58369, -87.20099
Functional classRural 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating100 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,670 (2014)
Projected traffic51,716 by 2030
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-90 over Willow Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is I-90 over Willow Creek 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 over Willow Creek carry?

About 34,670 vehicles per day (2014 count), of which roughly 24% are trucks.

How long is I-90 over Willow Creek?

The structure is 25 ft (7.6 m) long with a longest span of 13 ft (4 m).

Who owns I-90 over Willow Creek?

It is owned by the State Toll Authority.