US Bridges

CR 700N over Robbins Ditch

Good

Starke County, Indiana · 00.30 W CR 500 E · Structure no. 7500095

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
515
2016 count
Owner
County
County Highway Agency

About this bridge

CR 700N over Robbins Ditch is a concrete continuous slab carrying CR 700N over Robbins Ditch in Starke County, Indiana. It was built in 2016, so it is 9 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 515 vehicles a day, roughly 5% of them trucks, projected to reach 725 by 2036. The structure is 84 ft (25.5 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR 700N
CrossesRobbins Ditch
Location00.30 W CR 500 E
RouteCounty Highway 70
CountyStarke County
StateIndiana
Coordinates41.40411, -86.60611
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating46.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length84 ft (25.5 m)
Longest span29 ft (8.9 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic515 (2016)
Projected traffic725 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 700N over Robbins Ditch built?

It was built in 2016, making it 9 years old in 2025.

What condition is CR 700N over Robbins Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does CR 700N over Robbins Ditch carry?

About 515 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is CR 700N over Robbins Ditch?

The structure is 84 ft (25.5 m) long with a longest span of 29 ft (8.9 m) and a deck 26 ft wide.

Who owns CR 700N over Robbins Ditch?

It is owned by the County Highway Agency.