US Bridges

Yorktown Road over County Ditch No. 1

Poor

Whiteside County, Illinois · 4 MI NW Tampico · Structure no. 098304800000000

Built
1979
46 years old
Condition
Poor
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
325
2012 count
Owner
County
County Highway Agency

About this bridge

Yorktown Road over County Ditch No. 1 is a prestressed concrete box beam or girders - multiple carrying Yorktown Road over County Ditch No. 1 in Whiteside County, Illinois. It was built in 1979, so it is 46 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 325 vehicles a day, roughly 6% of them trucks, projected to reach 328 by 2046. The structure is 54 ft (16.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesYorktown Road
CrossesCounty Ditch No. 1
Location4 MI NW Tampico
RouteCounty Highway 0
Coordinates41.64832, -89.86245
Functional classRural Minor Collector

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length54 ft (16.6 m)
Longest span51 ft (15.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2012)
Projected traffic328 by 2046
Trucks6%
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 Yorktown Road over County Ditch No. 1 built?

It was built in 1979, making it 46 years old in 2025.

What condition is Yorktown Road over County Ditch No. 1 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 March 2023.

How much traffic does Yorktown Road over County Ditch No. 1 carry?

About 325 vehicles per day (2012 count), of which roughly 6% are trucks.

How long is Yorktown Road over County Ditch No. 1?

The structure is 54 ft (16.6 m) long with a longest span of 51 ft (15.5 m) and a deck 30 ft wide.

Who owns Yorktown Road over County Ditch No. 1?

It is owned by the County Highway Agency.