US Bridges

Ridge Road over County Ditch No One

Good

Whiteside County, Illinois · 6 Mi. Sw. Rock Falls · Structure no. 098496300000000

Built
1977
48 years old
Condition
Good
inspected February 2024
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
150
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ridge Road over County Ditch No One is a steel culvert carrying Ridge Road over County Ditch No One in Whiteside County, Illinois. It was built in 1977, so it is 48 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, roughly 14% of them trucks, projected to reach 152 by 2046. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRidge Road
CrossesCounty Ditch No One
Location6 Mi. Sw. Rock Falls
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.69155, -89.74794
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating91.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Ridge Road over County Ditch No One built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ridge Road over County Ditch No One 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 February 2024.

How much traffic does Ridge Road over County Ditch No One carry?

About 150 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is Ridge Road over County Ditch No One?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.8 m).

Who owns Ridge Road over County Ditch No One?

It is owned by the Town or Township Highway Agency.