US Bridges

Mill RD over I 90

Good

Winnebago County, Illinois · .5 MI N of Cherry Va · Structure no. 101997200000000

Built
2013
12 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
241 ft
2 main spans
Daily traffic
5,250
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Mill RD over I 90 is a steel continuous stringer/multi-beam or girder carrying Mill RD over I 90 in Winnebago County, Illinois. It was built in 2013, so it is 12 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 5,250 vehicles a day, roughly 3% of them trucks, projected to reach 6,313 by 2046. The structure is 241 ft (73.5 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMill RD
CrossesI 90
Location.5 MI N of Cherry Va
Coordinates42.24702, -88.95558
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckOther
Main spans2
Design loadHS 25 or greater
Structure length241 ft (73.5 m)
Longest span125 ft (38.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,250 (2022)
Projected traffic6,313 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Mill RD over I 90 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Mill RD 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 Mill RD over I 90 carry?

About 5,250 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Mill RD over I 90?

The structure is 241 ft (73.5 m) long with a longest span of 125 ft (38.1 m) and a deck 43 ft wide.

Who owns Mill RD over I 90?

It is owned by the State Toll Authority.