US Bridges

North Av over Fox River

Fair

Kane County, Illinois · 900 Ft W Ill RTE 25 · Structure no. 045600200000000

Built
1926
99 years old, rebuilt 2002
Condition
Fair
inspected October 2023
Type
Other
Concrete
Length
489 ft
6 main spans
Daily traffic
6,650
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Av over Fox River is a concrete other carrying North Av over Fox River in Kane County, Illinois. It was built in 1926 and reconstructed in 2002, so it is 99 years old, older than the Illinois average of 45.3 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 6,650 vehicles a day, roughly 6% of them trucks, projected to reach 6,100 by 2046. The structure is 489 ft (149.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNorth Av
CrossesFox River
Location900 Ft W Ill RTE 25
RouteCity Street 0
CountyKane County
StateIllinois
Coordinates41.75223, -88.32172
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length489 ft (149.1 m)
Longest span74 ft (22.6 m)
Deck width52 ft (16 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,650 (2023)
Projected traffic6,100 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was North Av over Fox River built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2002.

What condition is North Av over Fox River 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 October 2023.

How much traffic does North Av over Fox River carry?

About 6,650 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is North Av over Fox River?

The structure is 489 ft (149.1 m) long with a longest span of 74 ft (22.6 m) and a deck 52 ft wide.

Who owns North Av over Fox River?

It is owned by the City or Municipal Highway Agency.