US Bridges

Ch 7 over Icg RR

Good

Franklin County, Illinois · 3 MI N Thompsonville · Structure no. 028327000000000

Built
1986
39 years old
Condition
Good
inspected May 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
116 ft
3 main spans
Daily traffic
125
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 7 over Icg RR is a prestressed concrete box beam or girders - multiple carrying Ch 7 over Icg RR in Franklin County, Illinois. It was built in 1986, so it is 39 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 40% of them trucks, projected to reach 152 by 2046. The structure is 116 ft (35.4 m) long and 24 ft wide.

CarriesCh 7
CrossesIcg RR
Location3 MI N Thompsonville
RouteCounty Highway 0
Coordinates37.96922, -88.7551
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2022
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic152 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ch 7 over Icg RR built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ch 7 over Icg 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 2022.

How much traffic does Ch 7 over Icg RR carry?

About 125 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is Ch 7 over Icg RR?

The structure is 116 ft (35.4 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Ch 7 over Icg RR?

It is owned by the County Highway Agency.