US Bridges

Caton Farm Road over Little Slough Creek

Good

Kendall County, Illinois · CH23 Ovr Little Slough Ck · Structure no. 047318600000000

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
2,250
2024 count
Owner
County
County Highway Agency

About this bridge

Caton Farm Road over Little Slough Creek is a prestressed concrete box beam or girders - multiple carrying Caton Farm Road over Little Slough Creek in Kendall County, Illinois. It was built in 2021, so it is 4 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 2,250 vehicles a day, roughly 11% of them trucks, projected to reach 2,860 by 2046. The structure is 50 ft (15.1 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCaton Farm Road
CrossesLittle Slough Creek
LocationCH23 Ovr Little Slough Ck
RouteCounty Highway 0
Coordinates41.5633, -88.32592
Functional classUrban Collector

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 protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.1 m)
Longest span49 ft (14.8 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2024)
Projected traffic2,860 by 2046
Trucks11%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Caton Farm Road over Little Slough Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Caton Farm Road over Little Slough Creek 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 2023.

How much traffic does Caton Farm Road over Little Slough Creek carry?

About 2,250 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Caton Farm Road over Little Slough Creek?

The structure is 50 ft (15.1 m) long with a longest span of 49 ft (14.8 m) and a deck 40 ft wide.

Who owns Caton Farm Road over Little Slough Creek?

It is owned by the County Highway Agency.