US Bridges

Ill 97 over C&im RR

Fair

Menard County, Illinois · .5 MI N Petersburg · Structure no. 065000500000000

Built
1939
86 years old, rebuilt 1991
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
278 ft
3 main spans
Daily traffic
2,750
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 97 over C&im RR is a steel continuous stringer/multi-beam or girder carrying Ill 97 over C&im RR in Menard County, Illinois. It was built in 1939 and reconstructed in 1991, so it is 86 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 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 2,750 vehicles a day, roughly 11% of them trucks, projected to reach 2,929 by 2046. The structure is 278 ft (84.6 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesIll 97
CrossesC&im RR
Location.5 MI N Petersburg
RouteState Highway 97
CountyMenard County
StateIllinois
Coordinates40.01873, -89.85821
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating81.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length278 ft (84.6 m)
Longest span105 ft (32 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2023)
Projected traffic2,929 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed24.9 mi (40 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ill 97 over C&im RR built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1991.

What condition is Ill 97 over C&im RR 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 2023.

How much traffic does Ill 97 over C&im RR carry?

About 2,750 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 97 over C&im RR?

The structure is 278 ft (84.6 m) long with a longest span of 105 ft (32 m) and a deck 35 ft wide.

Who owns Ill 97 over C&im RR?

It is owned by the State Highway Agency.