US Bridges

Graf Road over W Br Piscasaw Creek

Fair

McHenry County, Illinois · 0.4 MI W Maxon RD · Structure no. 056318300000000

Built
2012
13 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
350
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Graf Road over W Br Piscasaw Creek is a prestressed concrete box beam or girders - multiple carrying Graf Road over W Br Piscasaw Creek in McHenry County, Illinois. It was built in 2012, so it is 13 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 420 by 2046. The structure is 88 ft (26.7 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesGraf Road
CrossesW Br Piscasaw Creek
Location0.4 MI W Maxon RD
RouteCounty Highway 0
CountyMcHenry County
StateIllinois
Coordinates42.44411, -88.67535
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating53.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length88 ft (26.7 m)
Longest span88 ft (26.7 m)
Deck width36 ft (11 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic420 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Graf Road over W Br Piscasaw Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Graf Road over W Br Piscasaw Creek 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 July 2024.

How much traffic does Graf Road over W Br Piscasaw Creek carry?

About 350 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Graf Road over W Br Piscasaw Creek?

The structure is 88 ft (26.7 m) long with a longest span of 88 ft (26.7 m) and a deck 36 ft wide.

Who owns Graf Road over W Br Piscasaw Creek?

It is owned by the Town or Township Highway Agency.