US Bridges

Il 62 over Fox River

Fair

McHenry County, Illinois · 0.15 M E of Il 31 · Structure no. 056005900000000

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
335 ft
3 main spans
Daily traffic
43,100
2023 count
Owner
State
State Highway Agency

About this bridge

Il 62 over Fox River is a steel continuous stringer/multi-beam or girder carrying Il 62 over Fox River in McHenry County, Illinois. It was built in 1988, so it is 37 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 43,100 vehicles a day, roughly 3% of them trucks, projected to reach 49,080 by 2046. The structure is 335 ft (102 m) long and 72 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIl 62
CrossesFox River
Location0.15 M E of Il 31
RouteState Highway 62
Coordinates42.16623, -88.29038
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length335 ft (102 m)
Longest span125 ft (38.1 m)
Deck width72 ft (21.8 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,100 (2023)
Projected traffic49,080 by 2046
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 62 over Fox River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Il 62 over Fox River 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 Il 62 over Fox River carry?

About 43,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Il 62 over Fox River?

The structure is 335 ft (102 m) long with a longest span of 125 ft (38.1 m) and a deck 72 ft wide.

Who owns Il 62 over Fox River?

It is owned by the State Highway Agency.