US Bridges

Il 56 over Indian Creek

Fair

Kane County, Illinois · 1.8 M E of Il 25 · Structure no. 045002800000000

Built
1941
84 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
17,900
2023 count
Owner
State
State Highway Agency

About this bridge

Il 56 over Indian Creek is a concrete slab carrying Il 56 over Indian Creek in Kane County, Illinois. It was built in 1941, so it is 84 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 17,900 vehicles a day, roughly 9% of them trucks, projected to reach 22,692 by 2046. The structure is 28 ft (8.4 m) long and 49 ft wide.

Location

Open in Google Maps
CarriesIl 56
CrossesIndian Creek
Location1.8 M E of Il 25
RouteState Highway 56
CountyKane County
StateIllinois
Coordinates41.81392, -88.27451
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span26 ft (8 m)
Deck width49 ft (14.8 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,900 (2023)
Projected traffic22,692 by 2046
Trucks9%
Lanes on structure2
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$144,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 56 over Indian Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Il 56 over Indian Creek 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 February 2023.

How much traffic does Il 56 over Indian Creek carry?

About 17,900 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Il 56 over Indian Creek?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (8 m) and a deck 49 ft wide.

Who owns Il 56 over Indian Creek?

It is owned by the State Highway Agency.