US Bridges

Graf Road over Little Beaver Creek

Good

McHenry County, Illinois · .1M E of County Line · Structure no. 056317500000000

Built
2005
20 years old
Condition
Good
inspected October 2022
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
250
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Graf Road over Little Beaver Creek is a concrete frame carrying Graf Road over Little Beaver Creek in McHenry County, Illinois. It was built in 2005, so it is 20 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2046. The structure is 30 ft (9.1 m) long and 34 ft wide.

CarriesGraf Road
CrossesLittle Beaver Creek
Location.1M E of County Line
RouteCounty Highway 0
Coordinates42.45122, -88.7045
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width34 ft (10.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic300 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 Little Beaver Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Graf Road over Little Beaver Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.

How much traffic does Graf Road over Little Beaver Creek carry?

About 250 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Graf Road over Little Beaver Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.

Who owns Graf Road over Little Beaver Creek?

It is owned by the Town or Township Highway Agency.