US Bridges

I-65 NB over Gtw RR

Good

Lake County, Indiana · 01.85 N US 30 · Structure no. 038590

Built
1965
60 years old, rebuilt 2000
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
3 main spans
Daily traffic
50,976
2004 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over Gtw RR is a steel continuous stringer/multi-beam or girder carrying I-65 NB over Gtw RR in Lake County, Indiana. It was built in 1965 and reconstructed in 2000, so it is 60 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 50,976 vehicles a day, roughly 19% of them trucks, projected to reach 101,543 by 2030. The structure is 153 ft (46.6 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-65 NB
CrossesGtw RR
Location01.85 N US 30
RouteInterstate 65
CountyLake County
StateIndiana
Coordinates41.49773, -87.31967
Functional classUrban Principal Arterial - Interstate

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span57 ft (17.5 m)
Deck width64 ft (19.4 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,976 (2004)
Projected traffic101,543 by 2030
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-65 NB over Gtw RR built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2000.

What condition is I-65 NB over Gtw 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 April 2023.

How much traffic does I-65 NB over Gtw RR carry?

About 50,976 vehicles per day (2004 count), of which roughly 19% are trucks.

How long is I-65 NB over Gtw RR?

The structure is 153 ft (46.6 m) long with a longest span of 57 ft (17.5 m) and a deck 64 ft wide.

Who owns I-65 NB over Gtw RR?

It is owned by the State Highway Agency.