US Bridges

Walker RD over Middle Aux Sable

Poor

Kendall County, Illinois · 3.8 MI E of Ill 47 · Structure no. 047303700000000

Built
1965
60 years old
Condition
Poor
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
825
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Walker RD over Middle Aux Sable is a prestressed concrete box beam or girders - multiple carrying Walker RD over Middle Aux Sable in Kendall County, Illinois. It was built in 1965, so it is 60 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 825 vehicles a day, roughly 21% of them trucks, projected to reach 732 by 2046. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWalker RD
CrossesMiddle Aux Sable
Location3.8 MI E of Ill 47
RouteCounty Highway 0
Coordinates41.5772, -88.36127
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic825 (2024)
Projected traffic732 by 2046
Trucks21%
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 Walker RD over Middle Aux Sable built?

It was built in 1965, making it 60 years old in 2025.

What condition is Walker RD over Middle Aux Sable 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 December 2023.

How much traffic does Walker RD over Middle Aux Sable carry?

About 825 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Walker RD over Middle Aux Sable?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns Walker RD over Middle Aux Sable?

It is owned by the Town or Township Highway Agency.