US Bridges

US 36(FAP 323) over Drainage Ditch

Fair

Douglas County, Illinois · .75 MI W of Murdock · Structure no. 021201800000000

Built
1987
38 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
2,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 36(FAP 323) over Drainage Ditch is a concrete continuous culvert carrying US 36(FAP 323) over Drainage Ditch in Douglas County, Illinois. It was built in 1987, so it is 38 years old, younger 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 5 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 2,500 vehicles a day, roughly 15% of them trucks, projected to reach 2,828 by 2046. The structure is 47 ft (14.4 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesUS 36(FAP 323)
CrossesDrainage Ditch
Location.75 MI W of Murdock
RouteU.S. Route 36
CountyDouglas County
StateIllinois
Coordinates39.79205, -88.09761
Functional classRural Principal Arterial - Other

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length47 ft (14.4 m)
Longest span15 ft (4.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic2,828 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 36(FAP 323) over Drainage Ditch built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 36(FAP 323) over Drainage 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 November 2023.

How much traffic does US 36(FAP 323) over Drainage Ditch carry?

About 2,500 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is US 36(FAP 323) over Drainage Ditch?

The structure is 47 ft (14.4 m) long with a longest span of 15 ft (4.7 m) and a deck 38 ft wide.

Who owns US 36(FAP 323) over Drainage Ditch?

It is owned by the State Highway Agency.