US Bridges

Cameron RD over US 34

Fair

Warren County, Illinois · 2.25M N of Cameron · Structure no. 094002800000000

Built
1979
46 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
275 ft
2 main spans
Daily traffic
675
2021 count
Owner
State
State Highway Agency

About this bridge

Cameron RD over US 34 is a steel continuous stringer/multi-beam or girder carrying Cameron RD over US 34 in Warren County, Illinois. It was built in 1979, so it is 46 years old, older 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 675 vehicles a day, roughly 12% of them trucks, projected to reach 682 by 2046. The structure is 275 ft (83.9 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCameron RD
CrossesUS 34
Location2.25M N of Cameron
RouteCounty Highway 0
CountyWarren County
StateIllinois
Coordinates40.92045, -90.51756
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating31.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length275 ft (83.9 m)
Longest span107 ft (32.6 m)
Deck width64 ft (19.5 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2021)
Projected traffic682 by 2046
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Cameron RD over US 34 built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cameron RD over US 34 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 Cameron RD over US 34 carry?

About 675 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Cameron RD over US 34?

The structure is 275 ft (83.9 m) long with a longest span of 107 ft (32.6 m) and a deck 64 ft wide.

Who owns Cameron RD over US 34?

It is owned by the State Highway Agency.