US Bridges

TR 186 over Panther CR

Fair

Woodford County, Illinois · 1.5 Mi. N. Ill 24 · Structure no. 102317300000000

Built
1991
34 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
27 ft
1 main span
Daily traffic
200
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 186 over Panther CR is a concrete channel beam carrying TR 186 over Panther CR in Woodford County, Illinois. It was built in 1991, so it is 34 years old, younger 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 200 vehicles a day, roughly 35% of them trucks, projected to reach 202 by 2046. The structure is 27 ft (8.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 186
CrossesPanther CR
Location1.5 Mi. N. Ill 24
RouteCounty Highway 0
Coordinates40.75108, -89.13994
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.3 m)
Longest span25 ft (7.7 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic202 by 2046
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Panther CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is TR 186 over Panther CR 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 September 2024.

How much traffic does TR 186 over Panther CR carry?

About 200 vehicles per day (2020 count), of which roughly 35% are trucks.

How long is TR 186 over Panther CR?

The structure is 27 ft (8.3 m) long with a longest span of 25 ft (7.7 m) and a deck 27 ft wide.

Who owns TR 186 over Panther CR?

It is owned by the Town or Township Highway Agency.