US Bridges

Ill 47 over Drainage Ditch

Fair

Livingston County, Illinois · 0.3 MI N of Dwight · Structure no. 053201500000000

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
4,450
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 47 over Drainage Ditch is a concrete continuous culvert carrying Ill 47 over Drainage Ditch in Livingston County, Illinois. It was built in 1977, so it is 48 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 4,450 vehicles a day, roughly 20% of them trucks, projected to reach 4,697 by 2046. The structure is 27 ft (8.1 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIll 47
CrossesDrainage Ditch
Location0.3 MI N of Dwight
RouteState Highway 47
Coordinates41.10173, -88.41687
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2023)
Projected traffic4,697 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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 Ill 47 over Drainage Ditch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ill 47 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 March 2023.

How much traffic does Ill 47 over Drainage Ditch carry?

About 4,450 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Ill 47 over Drainage Ditch?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Ill 47 over Drainage Ditch?

It is owned by the State Highway Agency.