US Bridges

Ch 11 over South Forkbear Creek

Poor

Adams County, Illinois · 3.96 MI N Camp Point · Structure no. 001330300000000

Built
1975
50 years old
Condition
Poor
inspected April 2024
Type
Channel Beam
Concrete
Length
103 ft
3 main spans
Daily traffic
900
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 11 over South Forkbear Creek is a concrete channel beam carrying Ch 11 over South Forkbear Creek in Adams County, Illinois. It was built in 1975, so it is 50 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 900 vehicles a day, roughly 11% of them trucks, projected to reach 732 by 2046. The structure is 103 ft (31.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCh 11
CrossesSouth Forkbear Creek
Location3.96 MI N Camp Point
RouteCounty Highway 0
Coordinates40.09759, -91.06851
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length103 ft (31.5 m)
Longest span37 ft (11.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2024)
Projected traffic732 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 South Forkbear Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ch 11 over South Forkbear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Ch 11 over South Forkbear Creek carry?

About 900 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Ch 11 over South Forkbear Creek?

The structure is 103 ft (31.5 m) long with a longest span of 37 ft (11.4 m) and a deck 30 ft wide.

Who owns Ch 11 over South Forkbear Creek?

It is owned by the County Highway Agency.