US Bridges

221st Avenue over Singleton Ditch

FairPosted for load

Lake County, Indiana · 00.00 Int. of Cline Ave · Structure no. 4500040

Built
1996
29 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
119
2012 count
Owner
County
County Highway Agency

About this bridge

221st Avenue over Singleton Ditch is a wood or timber slab carrying 221st Avenue over Singleton Ditch in Lake County, Indiana. It was built in 1996, so it is 29 years old, younger than the Indiana average of 46.6 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. Its operating status is: posted for load restriction.

It carries about 119 vehicles a day, roughly 2% of them trucks, projected to reach 158 by 2040. The structure is 78 ft (23.7 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries221st Avenue
CrossesSingleton Ditch
Location00.00 Int. of Cline Ave
RouteCounty Highway 0
StateIndiana
Coordinates41.21733, -87.42949
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating49.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length78 ft (23.7 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2012)
Projected traffic158 by 2040
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 221st Avenue over Singleton Ditch built?

It was built in 1996, making it 29 years old in 2025.

What condition is 221st Avenue over Singleton 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 August 2024.

How much traffic does 221st Avenue over Singleton Ditch carry?

About 119 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is 221st Avenue over Singleton Ditch?

The structure is 78 ft (23.7 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns 221st Avenue over Singleton Ditch?

It is owned by the County Highway Agency.