US Bridges

Yates Road over Winnebago Ditch

Good

Whiteside County, Illinois · 8 MI S. Rock Falls · Structure no. 098440500000000

Built
1955
70 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
3 main spans
Daily traffic
150
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Yates Road over Winnebago Ditch is a steel stringer/multi-beam or girder carrying Yates Road over Winnebago Ditch in Whiteside County, Illinois. It was built in 1955, so it is 70 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, projected to reach 152 by 2046. The structure is 98 ft (29.8 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesYates Road
CrossesWinnebago Ditch
Location8 MI S. Rock Falls
RouteCounty Highway 0
Coordinates41.64986, -89.65932
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.8 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length98 ft (29.8 m)
Longest span36 ft (11 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic152 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Yates Road over Winnebago Ditch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Yates Road over Winnebago Ditch 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 September 2023.

How much traffic does Yates Road over Winnebago Ditch carry?

About 150 vehicles per day (2022 count).

How long is Yates Road over Winnebago Ditch?

The structure is 98 ft (29.8 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns Yates Road over Winnebago Ditch?

It is owned by the Town or Township Highway Agency.