US Bridges

FAS-531(CH-18) over Kaskaskia River

Good

Champaign County, Illinois · 610E 1000N · Structure no. 010457600000000

Built
2017
8 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
127 ft
3 main spans
Daily traffic
3,000
2021 count
Owner
County
County Highway Agency

About this bridge

FAS-531(CH-18) over Kaskaskia River is a steel continuous stringer/multi-beam or girder carrying FAS-531(CH-18) over Kaskaskia River in Champaign County, Illinois. It was built in 2017, so it is 8 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 3,000 vehicles a day, roughly 6% of them trucks, projected to reach 3,030 by 2046. The structure is 127 ft (38.7 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS-531(CH-18)
CrossesKaskaskia River
Location610E 1000N
RouteCounty Highway 0
Coordinates40.02574, -88.34657
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length127 ft (38.7 m)
Longest span49 ft (14.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2021)
Projected traffic3,030 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 FAS-531(CH-18) over Kaskaskia River built?

It was built in 2017, making it 8 years old in 2025.

What condition is FAS-531(CH-18) over Kaskaskia River 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 January 2024.

How much traffic does FAS-531(CH-18) over Kaskaskia River carry?

About 3,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAS-531(CH-18) over Kaskaskia River?

The structure is 127 ft (38.7 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.

Who owns FAS-531(CH-18) over Kaskaskia River?

It is owned by the County Highway Agency.