US Bridges

TR 136 over Walley Run

Good

Grundy County, Illinois · 5.5 MI W Minooka · Structure no. 032383100000000

Built
1999
26 years old
Condition
Good
inspected October 2022
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 136 over Walley Run is a concrete channel beam carrying TR 136 over Walley Run in Grundy County, Illinois. It was built in 1999, so it is 26 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 30 by 2046. The structure is 36 ft (10.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 136
CrossesWalley Run
Location5.5 MI W Minooka
RouteCounty Highway 0
Coordinates41.45582, -88.3846
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span34 ft (10.3 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic30 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 136 over Walley Run built?

It was built in 1999, making it 26 years old in 2025.

What condition is TR 136 over Walley Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.

How much traffic does TR 136 over Walley Run carry?

About 25 vehicles per day (2024 count).

How long is TR 136 over Walley Run?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.3 m) and a deck 26 ft wide.

Who owns TR 136 over Walley Run?

It is owned by the Town or Township Highway Agency.