US Bridges

CH-3 (FAS-343) over North Fork Vermilion

Good

Livingston County, Illinois · 5 MI N of Chatsworth · Structure no. 053300300000000

Built
1936
89 years old, rebuilt 1989
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
4 main spans
Daily traffic
525
2023 count
Owner
County
County Highway Agency

About this bridge

CH-3 (FAS-343) over North Fork Vermilion is a steel continuous stringer/multi-beam or girder carrying CH-3 (FAS-343) over North Fork Vermilion in Livingston County, Illinois. It was built in 1936 and reconstructed in 1989, so it is 89 years old, older 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 525 vehicles a day, roughly 29% of them trucks, projected to reach 505 by 2046. The structure is 254 ft (77.3 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCH-3 (FAS-343)
CrossesNorth Fork Vermilion
Location5 MI N of Chatsworth
RouteCounty Highway 0
CountyLivingston County
StateIllinois
Coordinates40.83559, -88.29892
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length254 ft (77.3 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2023)
Projected traffic505 by 2046
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was CH-3 (FAS-343) over North Fork Vermilion built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1989.

What condition is CH-3 (FAS-343) over North Fork Vermilion 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 October 2023.

How much traffic does CH-3 (FAS-343) over North Fork Vermilion carry?

About 525 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is CH-3 (FAS-343) over North Fork Vermilion?

The structure is 254 ft (77.3 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns CH-3 (FAS-343) over North Fork Vermilion?

It is owned by the County Highway Agency.