US Bridges

North Otis Road over E. Arm Little Calumet R.

Good

LaPorte County, Indiana · 0.67 S. CR 100N · Structure no. 4600184

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

North Otis Road over E. Arm Little Calumet R. is a prestressed concrete stringer/multi-beam or girder carrying North Otis Road over E. Arm Little Calumet R. in LaPorte County, Indiana. It was built in 2022, so it is 3 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 150 vehicles a day, roughly 13% of them trucks, projected to reach 225 by 2042. The structure is 57 ft (17.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorth Otis Road
CrossesE. Arm Little Calumet R.
Location0.67 S. CR 100N
RouteCounty Highway 0
StateIndiana
Coordinates41.61277, -86.90616
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length57 ft (17.3 m)
Longest span55 ft (16.7 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic225 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 North Otis Road over E. Arm Little Calumet R. built?

It was built in 2022, making it 3 years old in 2025.

What condition is North Otis Road over E. Arm Little Calumet R. 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 September 2024.

How much traffic does North Otis Road over E. Arm Little Calumet R. carry?

About 150 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is North Otis Road over E. Arm Little Calumet R.?

The structure is 57 ft (17.3 m) long with a longest span of 55 ft (16.7 m) and a deck 32 ft wide.

Who owns North Otis Road over E. Arm Little Calumet R.?

It is owned by the County Highway Agency.