US Bridges

Hinckley RD TR 206 over I-88

Fair

DeKalb County, Illinois · 2 MI W Kane CO · Structure no. 019991700000000

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
254 ft
4 main spans
Daily traffic
325
2021 count
Owner
Toll Authority
State Toll Authority

About this bridge

Hinckley RD TR 206 over I-88 is a prestressed concrete stringer/multi-beam or girder carrying Hinckley RD TR 206 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 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 325 vehicles a day, roughly 5% of them trucks, projected to reach 364 by 2046. The structure is 254 ft (77.4 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesHinckley RD TR 206
CrossesI-88
Location2 MI W Kane CO
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates41.89485, -88.63988
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating64.6 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length254 ft (77.4 m)
Longest span90 ft (27.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2021)
Projected traffic364 by 2046
Trucks5%
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 Hinckley RD TR 206 over I-88 built?

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

What condition is Hinckley RD TR 206 over I-88 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 July 2023.

How much traffic does Hinckley RD TR 206 over I-88 carry?

About 325 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Hinckley RD TR 206 over I-88?

The structure is 254 ft (77.4 m) long with a longest span of 90 ft (27.4 m) and a deck 30 ft wide.

Who owns Hinckley RD TR 206 over I-88?

It is owned by the State Toll Authority.