US Bridges

Il 38 over Mill Creek

Fair

Kane County, Illinois · 3.5 M E of Il 47 · Structure no. 045007500000000

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
11,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 38 over Mill Creek is a concrete continuous culvert carrying Il 38 over Mill Creek in Kane County, Illinois. It was built in 1965, so it is 60 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 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 11,200 vehicles a day, roughly 6% of them trucks, projected to reach 14,030 by 2046. The structure is 22 ft (6.7 m) long.

CarriesIl 38
CrossesMill Creek
Location3.5 M E of Il 47
RouteState Highway 38
Coordinates41.90646, -88.40531
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2023)
Projected traffic14,030 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 38 over Mill Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Il 38 over 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 January 2024.

How much traffic does Il 38 over Mill Creek carry?

About 11,200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 38 over Mill Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.3 m).

Who owns Il 38 over Mill Creek?

It is owned by the State Highway Agency.