US Bridges

CR 50W over Cobb Ditch

Good

Porter County, Indiana · 00.60 S CR 600 S · Structure no. 6400184

Built
2021
4 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
8
2020 count
Owner
County
County Highway Agency

About this bridge

CR 50W over Cobb Ditch is a concrete continuous slab carrying CR 50W over Cobb Ditch in Porter County, Indiana. It was built in 2021, so it is 4 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 8 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2038. The structure is 77 ft (23.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 50W
CrossesCobb Ditch
Location00.60 S CR 600 S
RouteCounty Highway 153
StateIndiana
Coordinates41.33873, -87.0751
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length77 ft (23.4 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2020)
Projected traffic20 by 2038
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 50W over Cobb Ditch built?

It was built in 2021, making it 4 years old in 2025.

What condition is CR 50W over Cobb 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 May 2024.

How much traffic does CR 50W over Cobb Ditch carry?

About 8 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is CR 50W over Cobb Ditch?

The structure is 77 ft (23.4 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns CR 50W over Cobb Ditch?

It is owned by the County Highway Agency.