US Bridges

FAP 869-IL 34 over Cnic RR

Good

Franklin County, Illinois · Ecl Thompsonville · Structure no. 028007300000000

Built
2004
21 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
213 ft
3 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 869-IL 34 over Cnic RR is a steel continuous stringer/multi-beam or girder carrying FAP 869-IL 34 over Cnic RR in Franklin County, Illinois. It was built in 2004, so it is 21 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,100 vehicles a day, roughly 13% of them trucks, projected to reach 1,970 by 2046. The structure is 213 ft (64.9 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAP 869-IL 34
CrossesCnic RR
LocationEcl Thompsonville
RouteState Highway 34
CountyFranklin County
StateIllinois
Coordinates37.90974, -88.74347
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating55.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span90 ft (27.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic1,970 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 FAP 869-IL 34 over Cnic RR built?

It was built in 2004, making it 21 years old in 2025.

What condition is FAP 869-IL 34 over Cnic RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does FAP 869-IL 34 over Cnic RR carry?

About 2,100 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FAP 869-IL 34 over Cnic RR?

The structure is 213 ft (64.9 m) long with a longest span of 90 ft (27.4 m) and a deck 39 ft wide.

Who owns FAP 869-IL 34 over Cnic RR?

It is owned by the State Highway Agency.