US Bridges

CH-23 over Bear Creek

Good

Hancock County, Illinois · 4.4M W of West Point · Structure no. 034323100000000

Built
2006
19 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
420 ft
5 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

CH-23 over Bear Creek is a steel continuous stringer/multi-beam or girder carrying CH-23 over Bear Creek in Hancock County, Illinois. It was built in 2006, so it is 19 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 100 vehicles a day, roughly 19% of them trucks, projected to reach 126 by 2046. The structure is 420 ft (128 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCH-23
CrossesBear Creek
Location4.4M W of West Point
RouteCounty Highway 0
Coordinates40.2484, -91.26452
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length420 ft (128 m)
Longest span90 ft (27.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic126 by 2046
Trucks19%
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 CH-23 over Bear Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is CH-23 over Bear 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 March 2022.

How much traffic does CH-23 over Bear Creek carry?

About 100 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is CH-23 over Bear Creek?

The structure is 420 ft (128 m) long with a longest span of 90 ft (27.4 m) and a deck 30 ft wide.

Who owns CH-23 over Bear Creek?

It is owned by the County Highway Agency.