US Bridges

Ill 3 & Ill 146 over Running Lake Ditch

Fair

Union County, Illinois · 2 MI S Ware · Structure no. 091006900000000

Built
1992
33 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
2 main spans
Daily traffic
4,150
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 3 & Ill 146 over Running Lake Ditch is a steel continuous stringer/multi-beam or girder carrying Ill 3 & Ill 146 over Running Lake Ditch in Union County, Illinois. It was built in 1992, so it is 33 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 4,150 vehicles a day, roughly 14% of them trucks, projected to reach 4,899 by 2046. The structure is 159 ft (48.5 m) long and 39 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesIll 3 & Ill 146
CrossesRunning Lake Ditch
Location2 MI S Ware
RouteState Highway 3
CountyUnion County
StateIllinois
Coordinates37.42012, -89.39017
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span78 ft (23.8 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,150 (2023)
Projected traffic4,899 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 3 & Ill 146 over Running Lake Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Ill 3 & Ill 146 over Running Lake 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 February 2025.

How much traffic does Ill 3 & Ill 146 over Running Lake Ditch carry?

About 4,150 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Ill 3 & Ill 146 over Running Lake Ditch?

The structure is 159 ft (48.5 m) long with a longest span of 78 ft (23.8 m) and a deck 39 ft wide.

Who owns Ill 3 & Ill 146 over Running Lake Ditch?

It is owned by the State Highway Agency.