US Bridges

US 67 over Cedar CR

Fair

Warren County, Illinois · 4 MI N of Monmouth · Structure no. 094005100000000

Built
2011
14 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
231 ft
3 main spans
Daily traffic
2,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 67 over Cedar CR is a steel continuous stringer/multi-beam or girder carrying US 67 over Cedar CR in Warren County, Illinois. It was built in 2011, so it is 14 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 2,600 vehicles a day, roughly 15% of them trucks, projected to reach 3,182 by 2046. The structure is 231 ft (70.4 m) long and 36 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesUS 67
CrossesCedar CR
Location4 MI N of Monmouth
RouteU.S. Route 67
CountyWarren County
StateIllinois
Coordinates40.96083, -90.64061
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating61.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length231 ft (70.4 m)
Longest span86 ft (26.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic3,182 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemYes

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 US 67 over Cedar CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is US 67 over Cedar CR 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 December 2023.

How much traffic does US 67 over Cedar CR carry?

About 2,600 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 67 over Cedar CR?

The structure is 231 ft (70.4 m) long with a longest span of 86 ft (26.2 m) and a deck 36 ft wide.

Who owns US 67 over Cedar CR?

It is owned by the State Highway Agency.