US Bridges

Keslinger RD over I-88

Good

DeKalb County, Illinois · 1 MI W Kane CO · Structure no. 019991800000000

Built
1974
51 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
232 ft
4 main spans
Daily traffic
750
2021 count
Owner
Toll Authority
State Toll Authority

About this bridge

Keslinger RD over I-88 is a prestressed concrete stringer/multi-beam or girder carrying Keslinger RD over I-88 in DeKalb County, Illinois. It was built in 1974, so it is 51 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 750 vehicles a day, roughly 47% of them trucks, projected to reach 840 by 2046. The structure is 232 ft (70.7 m) long and 30 ft wide.

CarriesKeslinger RD
CrossesI-88
Location1 MI W Kane CO
RouteCounty Highway 0
Coordinates41.87946, -88.619
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span83 ft (25.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2021)
Projected traffic840 by 2046
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Keslinger RD over I-88 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Keslinger RD 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 July 2023.

How much traffic does Keslinger RD over I-88 carry?

About 750 vehicles per day (2021 count), of which roughly 47% are trucks.

How long is Keslinger RD over I-88?

The structure is 232 ft (70.7 m) long with a longest span of 83 ft (25.3 m) and a deck 30 ft wide.

Who owns Keslinger RD over I-88?

It is owned by the State Toll Authority.