US Bridges

I-88 Ew Tollway EB over Blackberry CR

Fair

Kane County, Illinois · .5 Mi. W of Ill 47 · Structure no. 045996000000000

Built
1972
53 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
16,450
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-88 Ew Tollway EB over Blackberry CR is a concrete continuous slab carrying I-88 Ew Tollway EB over Blackberry CR 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 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 16,450 vehicles a day, roughly 12% of them trucks, projected to reach 14,091 by 2046. The structure is 88 ft (26.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-88 Ew Tollway EB
CrossesBlackberry CR
Location.5 Mi. W of Ill 47
RouteInterstate 88
Coordinates41.82323, -88.47572
Functional classUrban Principal Arterial - Interstate

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span36 ft (11 m)
Deck width43 ft (13 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,450 (2023)
Projected traffic14,091 by 2046
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-88 Ew Tollway EB over Blackberry CR built?

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

What condition is I-88 Ew Tollway EB over Blackberry CR 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 August 2024.

How much traffic does I-88 Ew Tollway EB over Blackberry CR carry?

About 16,450 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-88 Ew Tollway EB over Blackberry CR?

The structure is 88 ft (26.8 m) long with a longest span of 36 ft (11 m) and a deck 43 ft wide.

Who owns I-88 Ew Tollway EB over Blackberry CR?

It is owned by the State Toll Authority.