US Bridges

CH-6 Beasn-Chstnt over Salt Ck

Fair

Logan County, Illinois · 2 MI N Chestnut · Structure no. 054300800000000

Built
1961
64 years old, rebuilt 2020
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
421 ft
6 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

CH-6 Beasn-Chstnt over Salt Ck is a steel continuous stringer/multi-beam or girder carrying CH-6 Beasn-Chstnt over Salt Ck in Logan County, Illinois. It was built in 1961 and reconstructed in 2020, so it is 64 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 350 vehicles a day, roughly 23% of them trucks, projected to reach 341 by 2046. The structure is 421 ft (128.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCH-6 Beasn-Chstnt
CrossesSalt Ck
Location2 MI N Chestnut
RouteCounty Highway 0
CountyLogan County
StateIllinois
Coordinates40.07924, -89.18503
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length421 ft (128.3 m)
Longest span100 ft (30.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic341 by 2046
Trucks23%
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-6 Beasn-Chstnt over Salt Ck built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2020.

What condition is CH-6 Beasn-Chstnt over Salt Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does CH-6 Beasn-Chstnt over Salt Ck carry?

About 350 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is CH-6 Beasn-Chstnt over Salt Ck?

The structure is 421 ft (128.3 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.

Who owns CH-6 Beasn-Chstnt over Salt Ck?

It is owned by the County Highway Agency.