US Bridges

Il 47 over Eakin CR

Good

Kane County, Illinois · 1.4 M S of I-90 · Structure no. 045033600000000

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
16,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 47 over Eakin CR is a concrete continuous culvert carrying Il 47 over Eakin CR in Kane County, Illinois. It was built in 2017, so it is 8 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,200 vehicles a day, roughly 6% of them trucks, projected to reach 20,740 by 2046. The structure is 41 ft (12.4 m) long.

CarriesIl 47
CrossesEakin CR
Location1.4 M S of I-90
RouteState Highway 47
Coordinates42.10773, -88.45021
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating56.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length41 ft (12.4 m)
Longest span19 ft (5.7 m)
Deck width0 ft (0 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,200 (2023)
Projected traffic20,740 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 47 over Eakin CR built?

It was built in 2017, making it 8 years old in 2025.

What condition is Il 47 over Eakin CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Il 47 over Eakin CR carry?

About 16,200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 47 over Eakin CR?

The structure is 41 ft (12.4 m) long with a longest span of 19 ft (5.7 m).

Who owns Il 47 over Eakin CR?

It is owned by the State Highway Agency.