US Bridges

Ch 9 over Arcola #4 Ditch

Fair

Douglas County, Illinois · 2.3 MI N of Filson · Structure no. 021462500000000

Built
1935
90 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 9 over Arcola #4 Ditch is a concrete culvert carrying Ch 9 over Arcola #4 Ditch in Douglas County, Illinois. It was built in 1935, so it is 90 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 150 vehicles a day, roughly 2% of them trucks, projected to reach 152 by 2046. The structure is 27 ft (8.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCh 9
CrossesArcola #4 Ditch
Location2.3 MI N of Filson
RouteCounty Highway 0
CountyDouglas County
StateIllinois
Coordinates39.72358, -88.23241
Functional classRural Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic152 by 2046
Trucks2%
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 9 over Arcola #4 Ditch built?

It was built in 1935, making it 90 years old in 2025.

What condition is Ch 9 over Arcola #4 Ditch 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 January 2025.

How much traffic does Ch 9 over Arcola #4 Ditch carry?

About 150 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Ch 9 over Arcola #4 Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 31 ft wide.

Who owns Ch 9 over Arcola #4 Ditch?

It is owned by the County Highway Agency.