US Bridges

I-65 NB over 37th Ave/Old US 6 E&w

Good

Lake County, Indiana · 05.61 N US 30 · Structure no. 038740

Built
2001
24 years old, rebuilt 2020
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
53,256
2022 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over 37th Ave/Old US 6 E&w is a steel stringer/multi-beam or girder carrying I-65 NB over 37th Ave/Old US 6 E&w in Lake County, Indiana. It was built in 2001 and reconstructed in 2020, so it is 24 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 53,256 vehicles a day, roughly 18% of them trucks, projected to reach 114,456 by 2030. The structure is 120 ft (36.5 m) long and 106 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-65 NB
Crosses37th Ave/Old US 6 E&w
Location05.61 N US 30
RouteInterstate 65
CountyLake County
StateIndiana
Coordinates41.55116, -87.31098
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 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 rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.5 m)
Longest span118 ft (35.9 m)
Deck width106 ft (32.4 m)
Roadway width101 ft (30.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,256 (2022)
Projected traffic114,456 by 2030
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 37th Ave/Old US 6 E&w built?

It was built in 2001, making it 24 years old in 2025. It was reconstructed in 2020.

What condition is I-65 NB over 37th Ave/Old US 6 E&w 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 March 2023.

How much traffic does I-65 NB over 37th Ave/Old US 6 E&w carry?

About 53,256 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is I-65 NB over 37th Ave/Old US 6 E&w?

The structure is 120 ft (36.5 m) long with a longest span of 118 ft (35.9 m) and a deck 106 ft wide.

Who owns I-65 NB over 37th Ave/Old US 6 E&w?

It is owned by the State Highway Agency.