US Bridges

US 30 over Fox River & Il 25

Fair

Kane County, Illinois · US RTE 30 & Fox Riv · Structure no. 047003100000000

Built
1957
68 years old, rebuilt 2000
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
985 ft
7 main spans
Daily traffic
31,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 over Fox River & Il 25 is a steel continuous stringer/multi-beam or girder carrying US 30 over Fox River & Il 25 in Kane County, Illinois. It was built in 1957 and reconstructed in 2000, so it is 68 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 31,600 vehicles a day, roughly 6% of them trucks, projected to reach 42,693 by 2046. The structure is 985 ft (300.1 m) long and 68 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS 30
CrossesFox River & Il 25
LocationUS RTE 30 & Fox Riv
RouteU.S. Route 30
CountyKane County
StateIllinois
Coordinates41.72237, -88.34635
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length985 ft (300.1 m)
Longest span150 ft (45.7 m)
Deck width68 ft (20.7 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,600 (2023)
Projected traffic42,693 by 2046
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 over Fox River & Il 25 built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2000.

What condition is US 30 over Fox River & Il 25 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 US 30 over Fox River & Il 25 carry?

About 31,600 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 30 over Fox River & Il 25?

The structure is 985 ft (300.1 m) long with a longest span of 150 ft (45.7 m) and a deck 68 ft wide.

Who owns US 30 over Fox River & Il 25?

It is owned by the State Highway Agency.