US Bridges

Il 64 over Fox River

Fair

Kane County, Illinois · 0.2 M W of Il 25 · Structure no. 045201800000000

Built
1997
28 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
276 ft
4 main spans
Daily traffic
28,300
2023 count
Owner
State
State Highway Agency

About this bridge

Il 64 over Fox River is a prestressed concrete continuous stringer/multi-beam or girder carrying Il 64 over Fox River in Kane County, Illinois. It was built in 1997, so it is 28 years old, younger 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 5 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 28,300 vehicles a day, roughly 4% of them trucks, projected to reach 35,502 by 2046. The structure is 276 ft (84.2 m) long and 82 ft wide.

CarriesIl 64
CrossesFox River
Location0.2 M W of Il 25
RouteState Highway 64
Coordinates41.91337, -88.31553
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length276 ft (84.2 m)
Longest span70 ft (21.3 m)
Deck width82 ft (25.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,300 (2023)
Projected traffic35,502 by 2046
Trucks4%
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 64 over Fox River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Il 64 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 September 2024.

How much traffic does Il 64 over Fox River carry?

About 28,300 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Il 64 over Fox River?

The structure is 276 ft (84.2 m) long with a longest span of 70 ft (21.3 m) and a deck 82 ft wide.

Who owns Il 64 over Fox River?

It is owned by the State Highway Agency.