US Bridges

Il 106 over Sandy Creek

Good

Scott County, Illinois · 2 M SE Winchester · Structure no. 086050500000000

Built
2011
14 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
2 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

Il 106 over Sandy Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 106 over Sandy Creek in Scott County, Illinois. It was built in 2011, so it is 14 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, roughly 10% of them trucks, projected to reach 1,616 by 2046. The structure is 140 ft (42.8 m) long and 39 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesIl 106
CrossesSandy Creek
Location2 M SE Winchester
RouteState Highway 106
Coordinates39.60689, -90.43019
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length140 ft (42.8 m)
Longest span81 ft (24.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,616 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

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 106 over Sandy Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Il 106 over Sandy 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 October 2021.

How much traffic does Il 106 over Sandy Creek carry?

About 1,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 106 over Sandy Creek?

The structure is 140 ft (42.8 m) long with a longest span of 81 ft (24.7 m) and a deck 39 ft wide.

Who owns Il 106 over Sandy Creek?

It is owned by the State Highway Agency.