US Bridges

I 90 WB to I 39 SB over I-90

Good

Winnebago County, Illinois · .5 MI N US 20 · Structure no. 101997000000000

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
255 ft
2 main spans
Daily traffic
5,000
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I 90 WB to I 39 SB over I-90 is a steel stringer/multi-beam or girder carrying I 90 WB to I 39 SB over I-90 in Winnebago County, Illinois. It was built in 2009, so it is 16 years old, younger than the Illinois average of 45.3 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 5,000 vehicles a day, projected to reach 5,050 by 2046. The structure is 255 ft (77.7 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI 90 WB to I 39 SB
CrossesI-90
Location.5 MI N US 20
Coordinates42.24862, -88.96058
Functional classUrban Principal Arterial - Interstate

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length255 ft (77.7 m)
Longest span126 ft (38.4 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic5,050 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes

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 to I 39 SB over I-90 built?

It was built in 2009, making it 16 years old in 2025.

What condition is I 90 WB to I 39 SB over I-90 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 June 2023.

How much traffic does I 90 WB to I 39 SB over I-90 carry?

About 5,000 vehicles per day (2023 count).

How long is I 90 WB to I 39 SB over I-90?

The structure is 255 ft (77.7 m) long with a longest span of 126 ft (38.4 m) and a deck 35 ft wide.

Who owns I 90 WB to I 39 SB over I-90?

It is owned by the State Toll Authority.