US Bridges

TR 206 over I-74

Good

Vermilion County, Illinois · 1.5 MI NE of Oakwood · Structure no. 092012500000000

Built
1960
65 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
184 ft
4 main spans
Daily traffic
250
2023 count
Owner
State
State Highway Agency

About this bridge

TR 206 over I-74 is a prestressed concrete stringer/multi-beam or girder carrying TR 206 over I-74 in Vermilion County, Illinois. It was built in 1960, so it is 65 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 303 by 2046. The structure is 184 ft (56.2 m) long and 32 ft wide.

CarriesTR 206
CrossesI-74
Location1.5 MI NE of Oakwood
RouteCounty Highway 0
Coordinates40.12789, -87.75375
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
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 alignment7: Better than present minimum criteria
Operating rating85.8 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length184 ft (56.2 m)
Longest span56 ft (17.1 m)
Deck width32 ft (9.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic303 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 TR 206 over I-74 built?

It was built in 1960, making it 65 years old in 2025.

What condition is TR 206 over I-74 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 January 2024.

How much traffic does TR 206 over I-74 carry?

About 250 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is TR 206 over I-74?

The structure is 184 ft (56.2 m) long with a longest span of 56 ft (17.1 m) and a deck 32 ft wide.

Who owns TR 206 over I-74?

It is owned by the State Highway Agency.