US Bridges

Perry RD over Youngs Creek

Fair

DeKalb County, Illinois · 1500N 1745E · Structure no. 019307000000000

Built
2010
15 years old
Condition
Fair
inspected March 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
2,150
2021 count
Owner
County
County Highway Agency

About this bridge

Perry RD over Youngs Creek is a steel stringer/multi-beam or girder carrying Perry RD over Youngs Creek in DeKalb County, Illinois. It was built in 2010, so it is 15 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 2,150 vehicles a day, roughly 9% of them trucks, projected to reach 2,408 by 2046. The structure is 34 ft (10.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPerry RD
CrossesYoungs Creek
Location1500N 1745E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates41.85012, -88.61256
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum 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 length34 ft (10.5 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2021)
Projected traffic2,408 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 RD over Youngs Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Perry RD over Youngs Creek 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 March 2021.

How much traffic does Perry RD over Youngs Creek carry?

About 2,150 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Perry RD over Youngs Creek?

The structure is 34 ft (10.5 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Perry RD over Youngs Creek?

It is owned by the County Highway Agency.