US Bridges

County Farm RD over W Branch Du Page Riv

Poor

DuPage County, Illinois · 0.5 MI S Sterns RD · Structure no. 022745200000000

Built
1929
96 years old, rebuilt 1989
Condition
Poor
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
22,800
2024 count
Owner
County
County Highway Agency

About this bridge

County Farm RD over W Branch Du Page Riv is a prestressed concrete box beam or girders - multiple carrying County Farm RD over W Branch Du Page Riv in DuPage County, Illinois. It was built in 1929 and reconstructed in 1989, so it is 96 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 22,800 vehicles a day, roughly 4% of them trucks, projected to reach 17,271 by 2046. The structure is 71 ft (21.6 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Farm RD
CrossesW Branch Du Page Riv
Location0.5 MI S Sterns RD
Coordinates41.96686, -88.15161
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span66 ft (20.1 m)
Deck width64 ft (19.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,800 (2024)
Projected traffic17,271 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 County Farm RD over W Branch Du Page Riv built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1989.

What condition is County Farm RD over W Branch Du Page Riv 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 June 2024.

How much traffic does County Farm RD over W Branch Du Page Riv carry?

About 22,800 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is County Farm RD over W Branch Du Page Riv?

The structure is 71 ft (21.6 m) long with a longest span of 66 ft (20.1 m) and a deck 64 ft wide.

Who owns County Farm RD over W Branch Du Page Riv?

It is owned by the County Highway Agency.