US Bridges

Silver Glen Road over Otter Creek

Good

Kane County, Illinois · 0.8 MI W Randall RD · Structure no. 045316100000000

Built
2019
6 years old
Condition
Good
inspected May 2021
Type
Slab
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
9,800
2023 count
Owner
County
County Highway Agency

About this bridge

Silver Glen Road over Otter Creek is a concrete continuous slab carrying Silver Glen Road over Otter Creek in Kane County, Illinois. It was built in 2019, so it is 6 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 9,800 vehicles a day, roughly 3% of them trucks, projected to reach 10,309 by 2046. The structure is 114 ft (34.6 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSilver Glen Road
CrossesOtter Creek
Location0.8 MI W Randall RD
Coordinates41.97022, -88.35634
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2021
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length114 ft (34.6 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2023)
Projected traffic10,309 by 2046
Trucks3%
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 Silver Glen Road over Otter Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Silver Glen Road over Otter Creek 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 May 2021.

How much traffic does Silver Glen Road over Otter Creek carry?

About 9,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Silver Glen Road over Otter Creek?

The structure is 114 ft (34.6 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns Silver Glen Road over Otter Creek?

It is owned by the County Highway Agency.