US Bridges

Perry Road over S Br Kishwaukee Rv

Fair

DeKalb County, Illinois · 1500N 630E · Structure no. 019306300000000

Built
2009
16 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
1,800
2021 count
Owner
County
County Highway Agency

About this bridge

Perry Road over S Br Kishwaukee Rv is a steel stringer/multi-beam or girder carrying Perry Road over S Br Kishwaukee Rv in DeKalb County, Illinois. It was built in 2009, so it is 16 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 6 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 1,800 vehicles a day, roughly 8% of them trucks, projected to reach 2,016 by 2046. The structure is 66 ft (20.1 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesPerry Road
CrossesS Br Kishwaukee Rv
Location1500N 630E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates41.84884, -88.82202
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2021)
Projected traffic2,016 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 S Br Kishwaukee Rv built?

It was built in 2009, making it 16 years old in 2025.

What condition is Perry Road over S Br Kishwaukee Rv 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 January 2024.

How much traffic does Perry Road over S Br Kishwaukee Rv carry?

About 1,800 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Perry Road over S Br Kishwaukee Rv?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 32 ft wide.

Who owns Perry Road over S Br Kishwaukee Rv?

It is owned by the County Highway Agency.