US Bridges

Ch 11 over Cedar Crk

Fair

Schuyler County, Illinois · 1.25 MI S Huntsville · Structure no. 085491000000000

Built
1981
44 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
111 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 11 over Cedar Crk is a prestressed concrete box beam or girders - multiple carrying Ch 11 over Cedar Crk in Schuyler County, Illinois. It was built in 1981, so it is 44 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 16% of them trucks, projected to reach 76 by 2046. The structure is 111 ft (33.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCh 11
CrossesCedar Crk
Location1.25 MI S Huntsville
RouteCounty Highway 0
Coordinates40.17464, -90.85671
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length111 ft (33.8 m)
Longest span56 ft (17.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic76 by 2046
Trucks16%
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 11 over Cedar Crk built?

It was built in 1981, making it 44 years old in 2025.

What condition is Ch 11 over Cedar Crk in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Ch 11 over Cedar Crk carry?

About 100 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Ch 11 over Cedar Crk?

The structure is 111 ft (33.8 m) long with a longest span of 56 ft (17.1 m) and a deck 24 ft wide.

Who owns Ch 11 over Cedar Crk?

It is owned by the County Highway Agency.