US Bridges

CR 550 North over Keren Neff Ditch

Fair

Cass County, Indiana · 00.20 E of CR 600 E · Structure no. 0900027

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
41 ft
4 main spans
Daily traffic
130
2023 count
Owner
County
County Highway Agency

About this bridge

CR 550 North over Keren Neff Ditch is a steel culvert carrying CR 550 North over Keren Neff Ditch in Cass County, Indiana. It was built in 1987, so it is 38 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 130 vehicles a day, roughly 2% of them trucks, projected to reach 170 by 2043. The structure is 41 ft (12.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 550 North
CrossesKeren Neff Ditch
Location00.20 E of CR 600 E
RouteCounty Highway 96
CountyCass County
StateIndiana
Coordinates40.84768, -86.2561
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating35.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span9 ft (2.8 m)
Deck width40 ft (12.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2023)
Projected traffic170 by 2043
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 550 North over Keren Neff Ditch built?

It was built in 1987, making it 38 years old in 2025.

What condition is CR 550 North over Keren Neff 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 June 2023.

How much traffic does CR 550 North over Keren Neff Ditch carry?

About 130 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is CR 550 North over Keren Neff Ditch?

The structure is 41 ft (12.4 m) long with a longest span of 9 ft (2.8 m) and a deck 40 ft wide.

Who owns CR 550 North over Keren Neff Ditch?

It is owned by the County Highway Agency.