US Bridges

Old US 66/ SBI-4C over Drainage Ditch

Fair

Livingston County, Illinois · 0.03 MI NE of Ill 47 · Structure no. 053202000000000

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
175
2023 count
Owner
State
State Highway Agency

About this bridge

Old US 66/ SBI-4C over Drainage Ditch is a concrete continuous culvert carrying Old US 66/ SBI-4C over Drainage Ditch in Livingston County, Illinois. It was built in 1981, so it is 44 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 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 175 vehicles a day, roughly 1% of them trucks, projected to reach 202 by 2046. The structure is 62 ft (18.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesOld US 66/ SBI-4C
CrossesDrainage Ditch
Location0.03 MI NE of Ill 47
RouteCounty Highway 0
CountyLivingston County
StateIllinois
Coordinates41.10464, -88.4132
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating59.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span19 ft (5.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2023)
Projected traffic202 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Old US 66/ SBI-4C over Drainage Ditch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Old US 66/ SBI-4C 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 Old US 66/ SBI-4C over Drainage Ditch carry?

About 175 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Old US 66/ SBI-4C over Drainage Ditch?

The structure is 62 ft (18.9 m) long with a longest span of 19 ft (5.9 m) and a deck 28 ft wide.

Who owns Old US 66/ SBI-4C over Drainage Ditch?

It is owned by the State Highway Agency.