US Bridges

TR.186 over Panther Creek

Poor

Woodford County, Illinois · 2125 East 1275 North · Structure no. 102311400000000

Built
1976
49 years old
Condition
Poor
inspected November 2024
Type
Channel Beam
Concrete
Length
74 ft
3 main spans
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR.186 over Panther Creek is a concrete channel beam carrying TR.186 over Panther Creek in Woodford County, Illinois. It was built in 1976, so it is 49 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 33% of them trucks, projected to reach 101 by 2046. The structure is 74 ft (22.6 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesTR.186
CrossesPanther Creek
Location2125 East 1275 North
RouteCounty Highway 0
Coordinates40.77764, -89.13582
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.8 US tons
Inventory rating30.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span24 ft (7.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is TR.186 over Panther Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does TR.186 over Panther Creek carry?

About 100 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is TR.186 over Panther Creek?

The structure is 74 ft (22.6 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns TR.186 over Panther Creek?

It is owned by the Town or Township Highway Agency.