US Bridges

Perry Road over Big Rock Creek

Good

Kane County, Illinois · 2.5 MI NW Kaneville · Structure no. 045500200000000

Built
1972
53 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
1,650
2023 count
Owner
County
County Highway Agency

About this bridge

Perry Road over Big Rock Creek is a concrete culvert carrying Perry Road over Big Rock Creek in Kane County, Illinois. It was built in 1972, so it is 53 years old, older 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 1,650 vehicles a day, roughly 10% of them trucks, projected to reach 2,928 by 2046. The structure is 28 ft (8.6 m) long and 40 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesPerry Road
CrossesBig Rock Creek
Location2.5 MI NW Kaneville
RouteCounty Highway 0
Coordinates41.85074, -88.56977
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span14 ft (4.4 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic2,928 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Perry Road over Big Rock Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Perry Road over Big Rock 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 March 2024.

How much traffic does Perry Road over Big Rock Creek carry?

About 1,650 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Perry Road over Big Rock Creek?

The structure is 28 ft (8.6 m) long with a longest span of 14 ft (4.4 m) and a deck 40 ft wide.

Who owns Perry Road over Big Rock Creek?

It is owned by the County Highway Agency.