US Bridges

CR 300E over Robbins Ditch

Fair

Starke County, Indiana · 00.30 S CR 600 N · Structure no. 7500079

Built
1950
75 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
525
2016 count
Owner
County
County Highway Agency

About this bridge

CR 300E over Robbins Ditch is a steel stringer/multi-beam or girder carrying CR 300E over Robbins Ditch in Starke County, Indiana. It was built in 1950, so it is 75 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 525 vehicles a day, roughly 5% of them trucks, projected to reach 775 by 2036. The structure is 53 ft (16.1 m) long and 23 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCR 300E
CrossesRobbins Ditch
Location00.30 S CR 600 N
RouteCounty Highway 49
CountyStarke County
StateIndiana
Coordinates41.38611, -86.64004
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating36.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length53 ft (16.1 m)
Longest span50 ft (15.2 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2016)
Projected traffic775 by 2036
Trucks5%
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

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 300E over Robbins Ditch built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR 300E over Robbins 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 300E over Robbins Ditch carry?

About 525 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is CR 300E over Robbins Ditch?

The structure is 53 ft (16.1 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.

Who owns CR 300E over Robbins Ditch?

It is owned by the County Highway Agency.