US Bridges

Il 38 over Fox River

Fair

Kane County, Illinois · Il 38 & Fox River · Structure no. 045201400000000

Built
1992
33 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
368 ft
5 main spans
Daily traffic
25,600
2023 count
Owner
State
State Highway Agency

About this bridge

Il 38 over Fox River is a prestressed concrete continuous stringer/multi-beam or girder carrying Il 38 over Fox River in Kane County, Illinois. It was built in 1992, so it is 33 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 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 25,600 vehicles a day, roughly 4% of them trucks, projected to reach 28,792 by 2046. The structure is 368 ft (112.1 m) long and 77 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesIl 38
CrossesFox River
LocationIl 38 & Fox River
RouteState Highway 38
Coordinates41.8873, -88.30301
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length368 ft (112.1 m)
Longest span88 ft (26.7 m)
Deck width77 ft (23.4 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,600 (2023)
Projected traffic28,792 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
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 38 over Fox River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Il 38 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 August 2024.

How much traffic does Il 38 over Fox River carry?

About 25,600 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Il 38 over Fox River?

The structure is 368 ft (112.1 m) long with a longest span of 88 ft (26.7 m) and a deck 77 ft wide.

Who owns Il 38 over Fox River?

It is owned by the State Highway Agency.