US Bridges

US 30 EB over Robbins Ditch

Fair

Starke County, Indiana · 00.41 W US 35 · Structure no. 008280

Built
1958
67 years old, rebuilt 2016
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
6,993
2004 count
Owner
State
State Highway Agency

About this bridge

US 30 EB over Robbins Ditch is a prestressed concrete continuous box beam or girders - single or spread carrying US 30 EB over Robbins Ditch in Starke County, Indiana. It was built in 1958 and reconstructed in 2016, so it is 67 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 6,993 vehicles a day, roughly 10% of them trucks, projected to reach 9,685 by 2030. The structure is 120 ft (36.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 30 EB
CrossesRobbins Ditch
Location00.41 W US 35
RouteU.S. Route 30
StateIndiana
Coordinates41.39378, -86.62876
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.5 m)
Longest span39 ft (11.8 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,993 (2004)
Projected traffic9,685 by 2030
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 30 EB over Robbins Ditch built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2016.

What condition is US 30 EB 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 March 2024.

How much traffic does US 30 EB over Robbins Ditch carry?

About 6,993 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is US 30 EB over Robbins Ditch?

The structure is 120 ft (36.5 m) long with a longest span of 39 ft (11.8 m) and a deck 42 ft wide.

Who owns US 30 EB over Robbins Ditch?

It is owned by the State Highway Agency.