US Bridges

I-88 over Stream

Good

Kane County, Illinois · 7.3 M W IL-47 · Structure no. 045202200000000

Built
1972
53 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
32,900
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-88 over Stream is a concrete continuous culvert carrying I-88 over Stream 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,900 vehicles a day, roughly 12% of them trucks, projected to reach 28,182 by 2046. The structure is 30 ft (9.2 m) long.

CarriesI-88
CrossesStream
Location7.3 M W IL-47
RouteInterstate 88
Coordinates41.84992, -88.50726
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,900 (2023)
Projected traffic28,182 by 2046
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 over Stream built?

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

What condition is I-88 over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does I-88 over Stream carry?

About 32,900 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-88 over Stream?

The structure is 30 ft (9.2 m) long with a longest span of 12 ft (3.7 m).

Who owns I-88 over Stream?

It is owned by the State Toll Authority.