US Bridges

Carmack Road over Rush Creek

Good

McHenry County, Illinois · 0.5 W Cox Road · Structure no. 056315800000000

Built
1993
32 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
109 ft
2 main spans
Daily traffic
250
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Carmack Road over Rush Creek is a prestressed concrete box beam or girders - multiple carrying Carmack Road over Rush Creek in McHenry County, Illinois. It was built in 1993, so it is 32 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 7 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 12% of them trucks, projected to reach 300 by 2046. The structure is 109 ft (33.3 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCarmack Road
CrossesRush Creek
Location0.5 W Cox Road
RouteCounty Highway 0
Coordinates42.29856, -88.66752
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating67.9 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length109 ft (33.3 m)
Longest span65 ft (19.8 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic300 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Carmack Road over Rush Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Carmack Road over Rush 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 Carmack Road over Rush Creek carry?

About 250 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Carmack Road over Rush Creek?

The structure is 109 ft (33.3 m) long with a longest span of 65 ft (19.8 m) and a deck 27 ft wide.

Who owns Carmack Road over Rush Creek?

It is owned by the Town or Township Highway Agency.