US Bridges

SR 49 NB over CSX RR Little Calumet R

Good

Porter County, Indiana · 00.37 S I-94 · Structure no. 018080

Built
1970
55 years old, rebuilt 2021
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
418 ft
7 main spans
Daily traffic
12,304
2020 count
Owner
State
State Highway Agency

About this bridge

SR 49 NB over CSX RR Little Calumet R is a steel continuous stringer/multi-beam or girder carrying SR 49 NB over CSX RR Little Calumet R in Porter County, Indiana. It was built in 1970 and reconstructed in 2021, so it is 55 years old, older 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 12,304 vehicles a day, roughly 12% of them trucks, projected to reach 25,359 by 2030. The structure is 418 ft (127.5 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 49 NB
CrossesCSX RR Little Calumet R
Location00.37 S I-94
RouteState Highway 49
StateIndiana
Coordinates41.61987, -87.04306
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating59.6 US tons
Inventory rating46.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length418 ft (127.5 m)
Longest span63 ft (19.2 m)
Deck width48 ft (14.5 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,304 (2020)
Projected traffic25,359 by 2030
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 49 NB over CSX RR Little Calumet R built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2021.

What condition is SR 49 NB over CSX RR 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 November 2023.

How much traffic does SR 49 NB over CSX RR Little Calumet R carry?

About 12,304 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SR 49 NB over CSX RR Little Calumet R?

The structure is 418 ft (127.5 m) long with a longest span of 63 ft (19.2 m) and a deck 48 ft wide.

Who owns SR 49 NB over CSX RR Little Calumet R?

It is owned by the State Highway Agency.