US Bridges

Old US 30 over Robbins Ditch

Fair

Starke County, Indiana · 00.50 E of CR 300 E · Structure no. 7500078

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
150
2016 count
Owner
County
County Highway Agency

About this bridge

Old US 30 over Robbins Ditch is a steel stringer/multi-beam or girder carrying Old US 30 over Robbins Ditch in Starke County, Indiana. It was built in 1960, so it is 65 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 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 225 by 2036. The structure is 69 ft (20.9 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOld US 30
CrossesRobbins Ditch
Location00.50 E of CR 300 E
RouteCounty Highway 30
CountyStarke County
StateIndiana
Coordinates41.39005, -86.63486
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length69 ft (20.9 m)
Longest span65 ft (19.9 m)
Deck width41 ft (12.4 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2016)
Projected traffic225 by 2036
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old US 30 over Robbins Ditch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Old US 30 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 Old US 30 over Robbins Ditch carry?

About 150 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Old US 30 over Robbins Ditch?

The structure is 69 ft (20.9 m) long with a longest span of 65 ft (19.9 m) and a deck 41 ft wide.

Who owns Old US 30 over Robbins Ditch?

It is owned by the County Highway Agency.