US Bridges

Maxon RD over Piscasaw Crk

Fair

McHenry County, Illinois · .25 MI W of Harvard · Structure no. 056315600000000

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
575
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Maxon RD over Piscasaw Crk is a prestressed concrete box beam or girders - multiple carrying Maxon RD over Piscasaw Crk in McHenry County, Illinois. It was built in 1992, so it is 33 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 575 vehicles a day, roughly 21% of them trucks, projected to reach 690 by 2046. The structure is 180 ft (54.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMaxon RD
CrossesPiscasaw Crk
Location.25 MI W of Harvard
RouteCounty Highway 0
CountyMcHenry County
StateIllinois
Coordinates42.42429, -88.66749
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span66 ft (20.1 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2021)
Projected traffic690 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Maxon RD over Piscasaw Crk built?

It was built in 1992, making it 33 years old in 2025.

What condition is Maxon RD over Piscasaw Crk in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Maxon RD over Piscasaw Crk carry?

About 575 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is Maxon RD over Piscasaw Crk?

The structure is 180 ft (54.9 m) long with a longest span of 66 ft (20.1 m) and a deck 27 ft wide.

Who owns Maxon RD over Piscasaw Crk?

It is owned by the Town or Township Highway Agency.