US Bridges

CR 600S over Jones Ditch

Fair

Porter County, Indiana · 00.10 E Smoke Road · Structure no. 6400052

Built
1930
95 years old, rebuilt 1991
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
33 ft
1 main span
Daily traffic
300
2018 count
Owner
County
County Highway Agency

About this bridge

CR 600S over Jones Ditch is a concrete channel beam carrying CR 600S over Jones Ditch in Porter County, Indiana. It was built in 1930 and reconstructed in 1991, so it is 95 years old, older 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 5 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 300 vehicles a day, roughly 6% of them trucks, projected to reach 570 by 2038. The structure is 33 ft (10.2 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 600S
CrossesJones Ditch
Location00.10 E Smoke Road
RouteCounty Highway 20
CountyPorter County
StateIndiana
Coordinates41.34749, -87.0623
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length33 ft (10.2 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2018)
Projected traffic570 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 CR 600S over Jones Ditch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1991.

What condition is CR 600S over Jones 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 May 2024.

How much traffic does CR 600S over Jones Ditch carry?

About 300 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is CR 600S over Jones Ditch?

The structure is 33 ft (10.2 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns CR 600S over Jones Ditch?

It is owned by the County Highway Agency.