US Bridges

SR 8 over Sol Shank Ditch

Fair

DeKalb County, Indiana · 00.27 W SR 1 · Structure no. 002310

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
2,639
2021 count
Owner
State
State Highway Agency

About this bridge

SR 8 over Sol Shank Ditch is a concrete continuous slab carrying SR 8 over Sol Shank Ditch in DeKalb County, Indiana. It was built in 1988, so it is 37 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 2,639 vehicles a day, roughly 17% of them trucks, projected to reach 4,153 by 2029. The structure is 93 ft (28.4 m) long and 45 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR 8
CrossesSol Shank Ditch
Location00.27 W SR 1
RouteState Highway 8
CountyDeKalb County
StateIndiana
Coordinates41.35757, -84.89322
Functional classRural Minor Arterial

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.4 m)
Longest span36 ft (11 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,639 (2021)
Projected traffic4,153 by 2029
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 8 over Sol Shank Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR 8 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 2024.

How much traffic does SR 8 over Sol Shank Ditch carry?

About 2,639 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is SR 8 over Sol Shank Ditch?

The structure is 93 ft (28.4 m) long with a longest span of 36 ft (11 m) and a deck 45 ft wide.

Who owns SR 8 over Sol Shank Ditch?

It is owned by the State Highway Agency.