US Bridges

Perkins Rd. over County Ditch No. 1

Poor

Whiteside County, Illinois · 3 MI S.E. Prophetsto · Structure no. 098540500000000

Built
1966
59 years old
Condition
Poor
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Perkins Rd. over County Ditch No. 1 is a prestressed concrete box beam or girders - multiple carrying Perkins Rd. over County Ditch No. 1 in Whiteside County, Illinois. It was built in 1966, so it is 59 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 75 vehicles a day, roughly 24% of them trucks, projected to reach 76 by 2046. The structure is 54 ft (16.6 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPerkins Rd.
CrossesCounty Ditch No. 1
Location3 MI S.E. Prophetsto
RouteCounty Highway 0
Coordinates41.64683, -89.88197
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating16.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length54 ft (16.6 m)
Longest span52 ft (15.8 m)
Deck width29 ft (8.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic76 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Perkins Rd. over County Ditch No. 1 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Perkins Rd. 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 September 2023.

How much traffic does Perkins Rd. over County Ditch No. 1 carry?

About 75 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is Perkins Rd. over County Ditch No. 1?

The structure is 54 ft (16.6 m) long with a longest span of 52 ft (15.8 m) and a deck 29 ft wide.

Who owns Perkins Rd. over County Ditch No. 1?

It is owned by the Town or Township Highway Agency.