US Bridges

SR 49 NB over NS RR

Good

Porter County, Indiana · 00.50 S US 30 · Structure no. 017976

Built
1987
38 years old, rebuilt 2005
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
3 main spans
Daily traffic
9,466
2021 count
Owner
State
State Highway Agency

About this bridge

SR 49 NB over NS RR is a steel continuous stringer/multi-beam or girder carrying SR 49 NB over NS RR in Porter County, Indiana. It was built in 1987 and reconstructed in 2005, so it is 38 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 9,466 vehicles a day, roughly 28% of them trucks, projected to reach 11,999 by 2030. The structure is 175 ft (53.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 49 NB
CrossesNS RR
Location00.50 S US 30
RouteState Highway 49
StateIndiana
Coordinates41.44666, -87.02685
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span66 ft (20 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,466 (2021)
Projected traffic11,999 by 2030
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 49 NB over NS RR built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2005.

What condition is SR 49 NB over NS RR 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 February 2023.

How much traffic does SR 49 NB over NS RR carry?

About 9,466 vehicles per day (2021 count), of which roughly 28% are trucks.

How long is SR 49 NB over NS RR?

The structure is 175 ft (53.3 m) long with a longest span of 66 ft (20 m) and a deck 43 ft wide.

Who owns SR 49 NB over NS RR?

It is owned by the State Highway Agency.