US Bridges

TR-61 Southmor RD over Waupecan Creek

Poor

Grundy County, Illinois · 0.10 MI W Scout RD · Structure no. 032435100000000

Built
1980
45 years old
Condition
Poor
inspected September 2024
Type
Channel Beam
Concrete
Length
99 ft
3 main spans
Daily traffic
350
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-61 Southmor RD over Waupecan Creek is a concrete channel beam carrying TR-61 Southmor RD over Waupecan Creek in Grundy 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 poor condition with a lowest component rating of 3 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 350 vehicles a day, roughly 13% of them trucks, projected to reach 150 by 2046. The structure is 99 ft (30.2 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesTR-61 Southmor RD
CrossesWaupecan Creek
Location0.10 MI W Scout RD
RouteCounty Highway 0
Coordinates41.3341, -88.46097
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
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating53.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic150 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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-61 Southmor RD over Waupecan Creek built?

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

What condition is TR-61 Southmor RD over Waupecan 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 September 2024.

How much traffic does TR-61 Southmor RD over Waupecan Creek carry?

About 350 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is TR-61 Southmor RD over Waupecan Creek?

The structure is 99 ft (30.2 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns TR-61 Southmor RD over Waupecan Creek?

It is owned by the Town or Township Highway Agency.