US Bridges

Il 56 WB over I-88 E-W Toll Rd.

Fair

Kane County, Illinois · 3.5 MI W of Il 31 · Structure no. 045990000000000

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
224 ft
2 main spans
Daily traffic
21,800
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Il 56 WB over I-88 E-W Toll Rd. is a steel stringer/multi-beam or girder carrying Il 56 WB over I-88 E-W Toll Rd. in Kane County, Illinois. It was built in 1972, so it is 53 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 21,800 vehicles a day, roughly 8% of them trucks, projected to reach 10,553 by 2046. The structure is 224 ft (68.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIl 56 WB
CrossesI-88 E-W Toll Rd.
Location3.5 MI W of Il 31
RouteState Highway 56
CountyKane County
StateIllinois
Coordinates41.79455, -88.39682
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length224 ft (68.3 m)
Longest span110 ft (33.5 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,800 (2023)
Projected traffic10,553 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 56 WB over I-88 E-W Toll Rd. built?

It was built in 1972, making it 53 years old in 2025.

What condition is Il 56 WB over I-88 E-W Toll Rd. 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 September 2024.

How much traffic does Il 56 WB over I-88 E-W Toll Rd. carry?

About 21,800 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 56 WB over I-88 E-W Toll Rd.?

The structure is 224 ft (68.3 m) long with a longest span of 110 ft (33.5 m) and a deck 43 ft wide.

Who owns Il 56 WB over I-88 E-W Toll Rd.?

It is owned by the State Toll Authority.