US Bridges

Illinois Ave over E Br Fox River

Good

Kane County, Illinois · 700 Ft W Ill Rt 25 · Structure no. 045600800000000

Built
1949
76 years old, rebuilt 2008
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
2 main spans
Daily traffic
13,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Illinois Ave over E Br Fox River is a steel continuous stringer/multi-beam or girder carrying Illinois Ave over E Br Fox River in Kane County, Illinois. It was built in 1949 and reconstructed in 2008, so it is 76 years old, older 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 13,200 vehicles a day, roughly 4% of them trucks, projected to reach 19,276 by 2046. The structure is 153 ft (46.5 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIllinois Ave
CrossesE Br Fox River
Location700 Ft W Ill Rt 25
Coordinates41.77078, -88.30887
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length153 ft (46.5 m)
Longest span73 ft (22.4 m)
Deck width74 ft (22.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,200 (2023)
Projected traffic19,276 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Illinois Ave over E Br Fox River built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2008.

What condition is Illinois Ave over E Br 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 September 2023.

How much traffic does Illinois Ave over E Br Fox River carry?

About 13,200 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Illinois Ave over E Br Fox River?

The structure is 153 ft (46.5 m) long with a longest span of 73 ft (22.4 m) and a deck 74 ft wide.

Who owns Illinois Ave over E Br Fox River?

It is owned by the City or Municipal Highway Agency.