US Bridges

Benton Street over Fox River W. Branch

Fair

Kane County, Illinois · 1200 Ft W Ill RTE 25 · Structure no. 045600100000000

Built
1924
101 years old, rebuilt 1996
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete
Length
174 ft
3 main spans
Daily traffic
2,950
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Benton Street over Fox River W. Branch is a concrete arch - deck carrying Benton Street over Fox River W. Branch in Kane County, Illinois. It was built in 1924 and reconstructed in 1996, so it is 101 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 2,950 vehicles a day, roughly 5% of them trucks, projected to reach 3,233 by 2046. The structure is 174 ft (53 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBenton Street
CrossesFox River W. Branch
Location1200 Ft W Ill RTE 25
RouteCity Street 0
CountyKane County
StateIllinois
Coordinates41.7567, -88.3185
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length174 ft (53 m)
Longest span56 ft (17.1 m)
Deck width61 ft (18.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2023)
Projected traffic3,233 by 2046
Trucks5%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Benton Street over Fox River W. Branch built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1996.

What condition is Benton Street over Fox River W. Branch 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 Benton Street over Fox River W. Branch carry?

About 2,950 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Benton Street over Fox River W. Branch?

The structure is 174 ft (53 m) long with a longest span of 56 ft (17.1 m) and a deck 61 ft wide.

Who owns Benton Street over Fox River W. Branch?

It is owned by the City or Municipal Highway Agency.