US Bridges

I-65 NB over 35th Avenue

Good

Lake County, Indiana · 05.84 N US 30 · Structure no. 038780

Built
2001
24 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
57,458
2004 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over 35th Avenue is a prestressed concrete tee beam carrying I-65 NB over 35th Avenue in Lake County, Indiana. It was built in 2001, 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 57,458 vehicles a day, roughly 5% of them trucks, projected to reach 114,456 by 2030. The structure is 84 ft (25.6 m) long and 106 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-65 NB
Crosses35th Avenue
Location05.84 N US 30
RouteInterstate 65
CountyLake County
StateIndiana
Coordinates41.55473, -87.311
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 evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating42.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span82 ft (24.9 m)
Deck width106 ft (32.4 m)
Roadway width101 ft (30.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,458 (2004)
Projected traffic114,456 by 2030
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
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 35th Avenue built?

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

What condition is I-65 NB over 35th Avenue 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 35th Avenue carry?

About 57,458 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is I-65 NB over 35th Avenue?

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (24.9 m) and a deck 106 ft wide.

Who owns I-65 NB over 35th Avenue?

It is owned by the State Highway Agency.