US Bridges

TR 85 over Partridge Creek

Poor

Woodford County, Illinois · 2.5 MI N Metamora · Structure no. 102316800000000

Built
1987
38 years old
Condition
Poor
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 85 over Partridge Creek is a prestressed concrete box beam or girders - multiple carrying TR 85 over Partridge Creek in Woodford County, Illinois. It was built in 1987, so it is 38 years old, younger 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 50 vehicles a day, roughly 18% of them trucks, projected to reach 51 by 2046. The structure is 46 ft (13.9 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesTR 85
CrossesPartridge Creek
Location2.5 MI N Metamora
RouteCounty Highway 0
CountyWoodford County
StateIllinois
Coordinates40.82381, -89.36522
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating63.6 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (13.9 m)
Longest span43 ft (13.1 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 85 over Partridge Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is TR 85 over Partridge 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 March 2023.

How much traffic does TR 85 over Partridge Creek carry?

About 50 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is TR 85 over Partridge Creek?

The structure is 46 ft (13.9 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.

Who owns TR 85 over Partridge Creek?

It is owned by the Town or Township Highway Agency.