US Bridges

SR 1 over Sol Shank Ditch

Fair

DeKalb County, Indiana · 00.10 S SR 8 · Structure no. 000490

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
734
2020 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Sol Shank Ditch is a prestressed concrete stringer/multi-beam or girder carrying SR 1 over Sol Shank Ditch in DeKalb County, Indiana. It was built in 1990, so it is 35 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.

It carries about 734 vehicles a day, roughly 8% of them trucks, projected to reach 2,270 by 2032. The structure is 78 ft (23.7 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 1
CrossesSol Shank Ditch
Location00.10 S SR 8
RouteState Highway 1
CountyDeKalb County
StateIndiana
Coordinates41.35603, -84.88811
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.7 m)
Longest span76 ft (23.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic734 (2020)
Projected traffic2,270 by 2032
Trucks8%
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

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 SR 1 over Sol Shank Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 1 over Sol Shank 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 October 2023.

How much traffic does SR 1 over Sol Shank Ditch carry?

About 734 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SR 1 over Sol Shank Ditch?

The structure is 78 ft (23.7 m) long with a longest span of 76 ft (23.1 m) and a deck 43 ft wide.

Who owns SR 1 over Sol Shank Ditch?

It is owned by the State Highway Agency.