TR 99 over Wolf Run

Fair

Piatt County, Illinois · 2.0 MI NE Cisco · Structure no. 074318000000000

Built: 1980; 45 years old
Condition: Fair; inspected February 2025
Type: Slab; Concrete Continuous
Length: 57 ft; 3 main spans
Daily traffic: 200; 2020 count
Owner: Town / Township; Town or Township Highway Agency

About this bridge

TR 99 over Wolf Run is a concrete continuous slab carrying TR 99 over Wolf Run in Piatt County, Illinois. It was built in 1980, so it is 45 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 6 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 12% of them trucks, projected to reach 202 by 2046. The structure is 57 ft (17.5 m) long and 26 ft wide.

Location

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CarriesTR 99

CrossesWolf Run

Location2.0 MI NE Cisco

RouteCounty Highway 0

CountyPiatt County

StateIllinois

Coordinates40.04017, -88.68296

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionFebruary 2025

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation6: Equal to present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating63.2 US tons

Inventory rating37.8 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length57 ft (17.5 m)

Longest span21 ft (6.4 m)

Deck width26 ft (7.9 m)

Roadway width24 ft (7.4 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)

Projected traffic202 by 2046

Trucks12%

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 99 over Wolf Run built?

It was built in 1980, making it 45 years old in 2025.

What condition is TR 99 over Wolf Run 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 February 2025.

How much traffic does TR 99 over Wolf Run carry?

About 200 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is TR 99 over Wolf Run?

The structure is 57 ft (17.5 m) long with a longest span of 21 ft (6.4 m) and a deck 26 ft wide.

Who owns TR 99 over Wolf Run?

It is owned by the Town or Township Highway Agency.