US Bridges

Il 72 (main St) over Fox River

Good

Kane County, Illinois · 0.3 M E of Il 31 · Structure no. 045201600000000

Built
1996
29 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
261 ft
4 main spans
Daily traffic
29,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 72 (main St) over Fox River is a prestressed concrete continuous stringer/multi-beam or girder carrying Il 72 (main St) over Fox River in Kane County, Illinois. It was built in 1996, so it is 29 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 29,200 vehicles a day, roughly 5% of them trucks, projected to reach 33,672 by 2046. The structure is 261 ft (79.6 m) long and 74 ft wide.

CarriesIl 72 (main St)
CrossesFox River
Location0.3 M E of Il 31
RouteState Highway 72
Coordinates42.09814, -88.27641
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length261 ft (79.6 m)
Longest span68 ft (20.7 m)
Deck width74 ft (22.6 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,200 (2023)
Projected traffic33,672 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Il 72 (main St) over Fox River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Il 72 (main St) over Fox River 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 August 2022.

How much traffic does Il 72 (main St) over Fox River carry?

About 29,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Il 72 (main St) over Fox River?

The structure is 261 ft (79.6 m) long with a longest span of 68 ft (20.7 m) and a deck 74 ft wide.

Who owns Il 72 (main St) over Fox River?

It is owned by the State Highway Agency.