US Bridges

CR 850E over Osborn Ditch

Good

Starke County, Indiana · 00.01 S CR 700 S · Structure no. 7500085

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
175
2016 count
Owner
County
County Highway Agency

About this bridge

CR 850E over Osborn Ditch is a concrete continuous slab carrying CR 850E over Osborn Ditch in Starke County, Indiana. It was built in 2012, so it is 13 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 175 vehicles a day, roughly 5% of them trucks, projected to reach 275 by 2036. The structure is 60 ft (18.4 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 850E
CrossesOsborn Ditch
Location00.01 S CR 700 S
RouteCounty Highway 77
StateIndiana
Coordinates41.20131, -86.53426
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 length60 ft (18.4 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2016)
Projected traffic275 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 850E over Osborn Ditch built?

It was built in 2012, making it 13 years old in 2025.

What condition is CR 850E over Osborn 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 850E over Osborn Ditch carry?

About 175 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is CR 850E over Osborn Ditch?

The structure is 60 ft (18.4 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns CR 850E over Osborn Ditch?

It is owned by the County Highway Agency.