US Bridges

TR-84 Ward RD over Johnny Run

Poor

Grundy County, Illinois · .43 MI S Prairie RD · Structure no. 032504100000000

Built
1978
47 years old
Condition
Poor
inspected October 2024
Type
Channel Beam
Concrete
Length
117 ft
3 main spans
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-84 Ward RD over Johnny Run is a concrete channel beam carrying TR-84 Ward RD over Johnny Run in Grundy County, Illinois. It was built in 1978, so it is 47 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 75 vehicles a day, roughly 13% of them trucks, projected to reach 90 by 2046. The structure is 117 ft (35.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR-84 Ward RD
CrossesJohnny Run
Location.43 MI S Prairie RD
RouteCounty Highway 0
Coordinates41.20445, -88.47257
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span38 ft (11.6 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic90 by 2046
Trucks13%
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-84 Ward RD over Johnny Run built?

It was built in 1978, making it 47 years old in 2025.

What condition is TR-84 Ward RD over Johnny Run 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 October 2024.

How much traffic does TR-84 Ward RD over Johnny Run carry?

About 75 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is TR-84 Ward RD over Johnny Run?

The structure is 117 ft (35.7 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns TR-84 Ward RD over Johnny Run?

It is owned by the Town or Township Highway Agency.