US Bridges

Il 68 (dundee Rd) over I-294 Tri State Toll

Fair

Cook County, Illinois · 1 M E US 45 · Structure no. 016052700000000

Built
1958
67 years old, rebuilt 1999
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
228 ft
4 main spans
Daily traffic
24,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 68 (dundee Rd) over I-294 Tri State Toll is a prestressed concrete continuous stringer/multi-beam or girder carrying Il 68 (dundee Rd) over I-294 Tri State Toll in Cook County, Illinois. It was built in 1958 and reconstructed in 1999, so it is 67 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 5 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 24,200 vehicles a day, roughly 5% of them trucks, projected to reach 21,816 by 2046. The structure is 228 ft (69.6 m) long and 72 ft wide.

CarriesIl 68 (dundee Rd)
CrossesI-294 Tri State Toll
Location1 M E US 45
RouteState Highway 68
Coordinates42.13855, -87.88747
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating78.9 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length228 ft (69.6 m)
Longest span66 ft (20.1 m)
Deck width72 ft (21.8 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,200 (2023)
Projected traffic21,816 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Il 68 (dundee Rd) over I-294 Tri State Toll built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1999.

What condition is Il 68 (dundee Rd) over I-294 Tri State Toll 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 May 2023.

How much traffic does Il 68 (dundee Rd) over I-294 Tri State Toll carry?

About 24,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Il 68 (dundee Rd) over I-294 Tri State Toll?

The structure is 228 ft (69.6 m) long with a longest span of 66 ft (20.1 m) and a deck 72 ft wide.

Who owns Il 68 (dundee Rd) over I-294 Tri State Toll?

It is owned by the State Highway Agency.