US Bridges

Main Street over Fox River

Fair

Kane County, Illinois · 0.3 MI E. of Il 31 · Structure no. 045615000000000

Built
1935
90 years old, rebuilt 2006
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
216 ft
4 main spans
Daily traffic
15,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over Fox River is a prestressed concrete box beam or girders - multiple carrying Main Street over Fox River in Kane County, Illinois. It was built in 1935 and reconstructed in 2006, so it is 90 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 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 15,500 vehicles a day, roughly 10% of them trucks, projected to reach 17,446 by 2046. The structure is 216 ft (65.8 m) long and 48 ft wide.

CarriesMain Street
CrossesFox River
Location0.3 MI E. of Il 31
Coordinates42.10838, -88.28971
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span53 ft (16.3 m)
Deck width48 ft (14.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2023)
Projected traffic17,446 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Main Street over Fox River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2006.

What condition is Main Street 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 2024.

How much traffic does Main Street over Fox River carry?

About 15,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Main Street over Fox River?

The structure is 216 ft (65.8 m) long with a longest span of 53 ft (16.3 m) and a deck 48 ft wide.

Who owns Main Street over Fox River?

It is owned by the City or Municipal Highway Agency.