US Bridges

SR 49 over AMTRAK

Fair

Porter County, Indiana · 00.33 N I-94 · Structure no. 018100

Built
1970
55 years old, rebuilt 2008
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
174 ft
3 main spans
Daily traffic
13,774
2020 count
Owner
State
State Highway Agency

About this bridge

SR 49 over AMTRAK is a steel continuous stringer/multi-beam or girder carrying SR 49 over AMTRAK in Porter County, Indiana. It was built in 1970 and reconstructed in 2008, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,774 vehicles a day, roughly 5% of them trucks, projected to reach 29,553 by 2030. The structure is 174 ft (53.1 m) long and 95 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR 49
CrossesAMTRAK
Location00.33 N I-94
RouteState Highway 49
StateIndiana
Coordinates41.62875, -87.04838
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length174 ft (53.1 m)
Longest span72 ft (21.9 m)
Deck width95 ft (29.1 m)
Roadway width92 ft (28.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,774 (2020)
Projected traffic29,553 by 2030
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.7 mi (14 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 over AMTRAK built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2008.

What condition is SR 49 over AMTRAK in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does SR 49 over AMTRAK carry?

About 13,774 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SR 49 over AMTRAK?

The structure is 174 ft (53.1 m) long with a longest span of 72 ft (21.9 m) and a deck 95 ft wide.

Who owns SR 49 over AMTRAK?

It is owned by the State Highway Agency.