US Bridges

Church RD over W. Aux Sable

Fair

Kendall County, Illinois · 1 MI S of Platville · Structure no. 047305500000000

Built
1959
66 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
83 ft
3 main spans
Daily traffic
100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Church RD over W. Aux Sable is a concrete slab carrying Church RD over W. Aux Sable in Kendall County, Illinois. It was built in 1959, so it is 66 years old, older 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 100 vehicles a day, roughly 23% of them trucks, projected to reach 166 by 2046. The structure is 83 ft (25.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesChurch RD
CrossesW. Aux Sable
Location1 MI S of Platville
RouteCounty Highway 0
Coordinates41.51812, -88.38539
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.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length83 ft (25.3 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic166 by 2046
Trucks23%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Church RD over W. Aux Sable built?

It was built in 1959, making it 66 years old in 2025.

What condition is Church RD over W. Aux Sable 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 August 2024.

How much traffic does Church RD over W. Aux Sable carry?

About 100 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is Church RD over W. Aux Sable?

The structure is 83 ft (25.3 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns Church RD over W. Aux Sable?

It is owned by the Town or Township Highway Agency.