US Bridges

TR 186 over Windfall Creek

Good

Vermilion County, Illinois · 3 MI SE Jamesburg · Structure no. 092353700000000

Built
2020
5 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
75
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 186 over Windfall Creek is a prestressed concrete box beam or girders - multiple carrying TR 186 over Windfall Creek in Vermilion County, Illinois. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 11% of them trucks, projected to reach 51 by 2046. The structure is 60 ft (18.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 186
CrossesWindfall Creek
Location3 MI SE Jamesburg
RouteCounty Highway 0
Coordinates40.22839, -87.72845
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length60 ft (18.2 m)
Longest span57 ft (17.3 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic51 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 186 over Windfall Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is TR 186 over Windfall Creek 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 February 2023.

How much traffic does TR 186 over Windfall Creek carry?

About 75 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is TR 186 over Windfall Creek?

The structure is 60 ft (18.2 m) long with a longest span of 57 ft (17.3 m) and a deck 27 ft wide.

Who owns TR 186 over Windfall Creek?

It is owned by the Town or Township Highway Agency.