US Bridges

Deerpath Road over I-88

Good

Kane County, Illinois · I-88 3.3M W Ill 25 · Structure no. 045997400000000

Built
2021
4 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
215 ft
2 main spans
Daily traffic
6,150
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Deerpath Road over I-88 is a prestressed concrete continuous stringer/multi-beam or girder carrying Deerpath Road over I-88 in Kane County, Illinois. It was built in 2021, so it is 4 years old, younger 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 6,150 vehicles a day, roughly 2% of them trucks, projected to reach 6,950 by 2032. The structure is 215 ft (65.6 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDeerpath Road
CrossesI-88
LocationI-88 3.3M W Ill 25
Coordinates41.79524, -88.37945
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length215 ft (65.6 m)
Longest span105 ft (32.1 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,150 (2023)
Projected traffic6,950 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Deerpath Road over I-88 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Deerpath Road over I-88 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 August 2024.

How much traffic does Deerpath Road over I-88 carry?

About 6,150 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Deerpath Road over I-88?

The structure is 215 ft (65.6 m) long with a longest span of 105 ft (32.1 m) and a deck 39 ft wide.

Who owns Deerpath Road over I-88?

It is owned by the State Toll Authority.