US Bridges

CR 500 North over Slocum Ditch

Fair

Blackford County, Indiana · 01.00 NW of 900 E · Structure no. 0500049

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
110
2011 count
Owner
County
County Highway Agency

About this bridge

CR 500 North over Slocum Ditch is a concrete continuous slab carrying CR 500 North over Slocum Ditch in Blackford County, Indiana. It was built in 1965, so it is 60 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 110 vehicles a day, roughly 5% of them trucks, projected to reach 148 by 2031. The structure is 77 ft (23.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 500 North
CrossesSlocum Ditch
Location01.00 NW of 900 E
RouteCounty Highway 500
CountyBlackford County
StateIndiana
Coordinates40.51714, -85.21808
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length77 ft (23.4 m)
Longest span27 ft (8.3 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2011)
Projected traffic148 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$600,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 500 North over Slocum Ditch built?

It was built in 1965, making it 60 years old in 2025.

What condition is CR 500 North over Slocum 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 CR 500 North over Slocum Ditch carry?

About 110 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is CR 500 North over Slocum Ditch?

The structure is 77 ft (23.4 m) long with a longest span of 27 ft (8.3 m) and a deck 29 ft wide.

Who owns CR 500 North over Slocum Ditch?

It is owned by the County Highway Agency.