US Bridges

I-65 SB over CSX Centr Av Unt Burns

Good

Lake County, Indiana · 00.66 N I-80 · Structure no. 038870

Built
1965
60 years old, rebuilt 2018
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,105 ft
16 main spans
Daily traffic
4,304
2022 count
Owner
State
State Highway Agency

About this bridge

I-65 SB over CSX Centr Av Unt Burns is a steel continuous stringer/multi-beam or girder carrying I-65 SB over CSX Centr Av Unt Burns in Lake County, Indiana. It was built in 1965 and reconstructed in 2018, 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 4,304 vehicles a day, roughly 18% of them trucks, projected to reach 18,800 by 2038. The structure is 1,105 ft (336.9 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-65 SB
CrossesCSX Centr Av Unt Burns
Location00.66 N I-80
RouteInterstate 65
CountyLake County
StateIndiana
Coordinates41.57744, -87.29622
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans16
Design loadHS 20 + Mod
Structure length1,105 ft (336.9 m)
Longest span80 ft (24.3 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,304 (2022)
Projected traffic18,800 by 2038
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-65 SB over CSX Centr Av Unt Burns built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2018.

What condition is I-65 SB over CSX Centr Av Unt Burns 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 SB over CSX Centr Av Unt Burns carry?

About 4,304 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is I-65 SB over CSX Centr Av Unt Burns?

The structure is 1,105 ft (336.9 m) long with a longest span of 80 ft (24.3 m) and a deck 38 ft wide.

Who owns I-65 SB over CSX Centr Av Unt Burns?

It is owned by the State Highway Agency.