US Bridges

Central Avenue over Robbins Ditch

Good

Porter County, Indiana · 00.42 E Hamstrom Road · Structure no. 6400182

Built
2020
5 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
11,200
2017 count
Owner
County
County Highway Agency

About this bridge

Central Avenue over Robbins Ditch is a concrete culvert carrying Central Avenue over Robbins Ditch in Porter County, Indiana. It was built in 2020, so it is 5 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 11,200 vehicles a day, roughly 5% of them trucks, projected to reach 20,600 by 2037. The structure is 26 ft (8 m) long and 50 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCentral Avenue
CrossesRobbins Ditch
Location00.42 E Hamstrom Road
RouteCity Street 0
StateIndiana
Coordinates41.57594, -87.16039
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span24 ft (7.3 m)
Deck width50 ft (15.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2017)
Projected traffic20,600 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Central Avenue over Robbins Ditch built?

It was built in 2020, making it 5 years old in 2025.

What condition is Central Avenue 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 May 2024.

How much traffic does Central Avenue over Robbins Ditch carry?

About 11,200 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Central Avenue over Robbins Ditch?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.3 m) and a deck 50 ft wide.

Who owns Central Avenue over Robbins Ditch?

It is owned by the County Highway Agency.