US Bridges

Silver Glen RD over Virgil Ditch No 2

Good

Kane County, Illinois · 0.6 MI E Ill 47 · Structure no. 045318200000000

Built
2020
5 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
700
2023 count
Owner
County
County Highway Agency

About this bridge

Silver Glen RD over Virgil Ditch No 2 is a concrete continuous culvert carrying Silver Glen RD over Virgil Ditch No 2 in Kane County, Illinois. It was built in 2020, so it is 5 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 700 vehicles a day, roughly 5% of them trucks, projected to reach 1,220 by 2046. The structure is 20 ft (6.2 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSilver Glen RD
CrossesVirgil Ditch No 2
Location0.6 MI E Ill 47
Coordinates41.96978, -88.46684
Functional classUrban Collector

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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating77.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length20 ft (6.2 m)
Longest span10 ft (3.2 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic1,220 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Silver Glen RD over Virgil Ditch No 2 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Silver Glen RD over Virgil Ditch No 2 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 October 2022.

How much traffic does Silver Glen RD over Virgil Ditch No 2 carry?

About 700 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Silver Glen RD over Virgil Ditch No 2?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3.2 m) and a deck 48 ft wide.

Who owns Silver Glen RD over Virgil Ditch No 2?

It is owned by the County Highway Agency.