US Bridges

Ch 11 over Shoal Ck

Good

Bond County, Illinois · 2M SE Pocahontas · Structure no. 003303300000000

Built
1977
48 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
160 ft
3 main spans
Daily traffic
125
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 11 over Shoal Ck is a steel continuous stringer/multi-beam or girder carrying Ch 11 over Shoal Ck in Bond County, Illinois. It was built in 1977, so it is 48 years old, older 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 125 vehicles a day, roughly 26% of them trucks, projected to reach 126 by 2046. The structure is 160 ft (48.8 m) long and 26 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCh 11
CrossesShoal Ck
Location2M SE Pocahontas
RouteCounty Highway 0
Coordinates38.80643, -89.49595
Functional classRural Local

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span58 ft (17.7 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic126 by 2046
Trucks26%
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

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 11 over Shoal Ck built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ch 11 over Shoal Ck 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 August 2024.

How much traffic does Ch 11 over Shoal Ck carry?

About 125 vehicles per day (2020 count), of which roughly 26% are trucks.

How long is Ch 11 over Shoal Ck?

The structure is 160 ft (48.8 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns Ch 11 over Shoal Ck?

It is owned by the County Highway Agency.