US Bridges

Skyline DR over Trib of Mill Creek

Fair

Kane County, Illinois · 0.2 MI N.Mckee Rd. · Structure no. 045312300000000

Built
1983
42 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
250
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Skyline DR over Trib of Mill Creek is a prestressed concrete box beam or girders - multiple carrying Skyline DR over Trib of Mill Creek in Kane County, Illinois. It was built in 1983, so it is 42 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 250 vehicles a day, roughly 9% of them trucks, projected to reach 305 by 2046. The structure is 59 ft (18.1 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSkyline DR
CrossesTrib of Mill Creek
Location0.2 MI N.Mckee Rd.
RouteCounty Highway 0
Coordinates41.85771, -88.3566
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length59 ft (18.1 m)
Longest span57 ft (17.3 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic305 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Skyline DR over Trib of Mill Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Skyline DR over Trib of Mill 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 May 2023.

How much traffic does Skyline DR over Trib of Mill Creek carry?

About 250 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Skyline DR over Trib of Mill Creek?

The structure is 59 ft (18.1 m) long with a longest span of 57 ft (17.3 m) and a deck 36 ft wide.

Who owns Skyline DR over Trib of Mill Creek?

It is owned by the Town or Township Highway Agency.