US Bridges

Ill 41 over Cedar Creek Trib

Fair

Knox County, Illinois · 0.4 MI S JCT Il 116 · Structure no. 048200600000000

Built
2002
23 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
2,050
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 41 over Cedar Creek Trib is a concrete continuous culvert carrying Ill 41 over Cedar Creek Trib in Knox County, Illinois. It was built in 2002, so it is 23 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 6 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 2,050 vehicles a day, roughly 10% of them trucks, projected to reach 2,222 by 2046. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 21.1 mi (34 km).

CarriesIll 41
CrossesCedar Creek Trib
Location0.4 MI S JCT Il 116
RouteState Highway 41
Coordinates40.72338, -90.40758
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2023)
Projected traffic2,222 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Ill 41 over Cedar Creek Trib built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ill 41 over Cedar Creek Trib 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 September 2023.

How much traffic does Ill 41 over Cedar Creek Trib carry?

About 2,050 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ill 41 over Cedar Creek Trib?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.4 m).

Who owns Ill 41 over Cedar Creek Trib?

It is owned by the State Highway Agency.