US Bridges

Il 100 over Wilson Creek

Good

Schuyler County, Illinois · E Edge Bluff City · Structure no. 085003500000000

Built
1999
26 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
525
2023 count
Owner
State
State Highway Agency

About this bridge

Il 100 over Wilson Creek is a steel stringer/multi-beam or girder carrying Il 100 over Wilson Creek in Schuyler County, Illinois. It was built in 1999, so it is 26 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 525 vehicles a day, roughly 21% of them trucks, projected to reach 682 by 2046. The structure is 98 ft (30 m) long and 37 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesIl 100
CrossesWilson Creek
LocationE Edge Bluff City
RouteState Highway 100
CountySchuyler County
StateIllinois
Coordinates40.18009, -90.23042
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2022
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 rating98.2 US tons
Inventory rating62.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (30 m)
Longest span96 ft (29.2 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2023)
Projected traffic682 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 100 over Wilson Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Il 100 over Wilson 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 2022.

How much traffic does Il 100 over Wilson Creek carry?

About 525 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is Il 100 over Wilson Creek?

The structure is 98 ft (30 m) long with a longest span of 96 ft (29.2 m) and a deck 37 ft wide.

Who owns Il 100 over Wilson Creek?

It is owned by the State Highway Agency.