US Bridges

Ch 16 over Lake Fork

Good

Piatt County, Illinois · .5 MI W of Atwood · Structure no. 074003400000000

Built
1963
62 years old, rebuilt 2006
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
152 ft
3 main spans
Daily traffic
450
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 16 over Lake Fork is a steel continuous stringer/multi-beam or girder carrying Ch 16 over Lake Fork in Piatt County, Illinois. It was built in 1963 and reconstructed in 2006, so it is 62 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 450 vehicles a day, roughly 8% of them trucks, projected to reach 455 by 2046. The structure is 152 ft (46.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCh 16
CrossesLake Fork
Location.5 MI W of Atwood
RouteCounty Highway 0
CountyPiatt County
StateIllinois
Coordinates39.80637, -88.47712
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.4 m)
Longest span55 ft (16.7 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2020)
Projected traffic455 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 16 over Lake Fork built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2006.

What condition is Ch 16 over Lake Fork 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 February 2023.

How much traffic does Ch 16 over Lake Fork carry?

About 450 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Ch 16 over Lake Fork?

The structure is 152 ft (46.4 m) long with a longest span of 55 ft (16.7 m) and a deck 34 ft wide.

Who owns Ch 16 over Lake Fork?

It is owned by the County Highway Agency.