US Bridges

Wallace Drive over Fox River Slough

Fair

McHenry County, Illinois · .1 MI W Hickory Nut · Structure no. 056317600000000

Built
2008
17 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
175
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Wallace Drive over Fox River Slough is a prestressed concrete box beam or girders - multiple carrying Wallace Drive over Fox River Slough in McHenry County, Illinois. It was built in 2008, so it is 17 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 175 vehicles a day, roughly 16% of them trucks, projected to reach 210 by 2046. The structure is 36 ft (11.1 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesWallace Drive
CrossesFox River Slough
Location.1 MI W Hickory Nut
RouteCounty Highway 0
CountyMcHenry County
StateIllinois
Coordinates42.20517, -88.1998
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic210 by 2046
Trucks16%
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 Wallace Drive over Fox River Slough built?

It was built in 2008, making it 17 years old in 2025.

What condition is Wallace Drive over Fox River Slough 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 October 2024.

How much traffic does Wallace Drive over Fox River Slough carry?

About 175 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is Wallace Drive over Fox River Slough?

The structure is 36 ft (11.1 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns Wallace Drive over Fox River Slough?

It is owned by the Town or Township Highway Agency.