US Bridges

W. County Line RD over Youngs Creek

Fair

Kane County, Illinois · 3.5 MI S Maple Park · Structure no. 045300100000000

Built
1931
94 years old, rebuilt 1981
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
2,500
2023 count
Owner
County
County Highway Agency

About this bridge

W. County Line RD over Youngs Creek is a prestressed concrete box beam or girders - multiple carrying W. County Line RD over Youngs Creek in Kane County, Illinois. It was built in 1931 and reconstructed in 1981, so it is 94 years old, older 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 2,500 vehicles a day, roughly 13% of them trucks, projected to reach 3,050 by 2046. The structure is 40 ft (12.2 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesW. County Line RD
CrossesYoungs Creek
Location3.5 MI S Maple Park
RouteCounty Highway 0
Coordinates41.85454, -88.60189
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic3,050 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 W. County Line RD over Youngs Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1981.

What condition is W. County Line 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 January 2024.

How much traffic does W. County Line RD over Youngs Creek carry?

About 2,500 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is W. County Line RD over Youngs Creek?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 40 ft wide.

Who owns W. County Line RD over Youngs Creek?

It is owned by the County Highway Agency.