US Bridges

Columbia Avenue over I-80/I-94 177th ST

Fair

Lake County, Indiana · 00.48 E US 41 · Structure no. 045490

Built
1991
34 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
273 ft
3 main spans
Daily traffic
7,903
2020 count
Owner
State
State Highway Agency

About this bridge

Columbia Avenue over I-80/I-94 177th ST is a steel continuous stringer/multi-beam or girder carrying Columbia Avenue over I-80/I-94 177th ST in Lake County, Indiana. It was built in 1991, so it is 34 years old, younger 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 7,903 vehicles a day, roughly 5% of them trucks, projected to reach 20,869 by 2030. The structure is 273 ft (83.2 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesColumbia Avenue
CrossesI-80/I-94 177th ST
Location00.48 E US 41
RouteCity Street 0
StateIndiana
Coordinates41.57411, -87.49983
Functional classUrban Minor 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span98 ft (30 m)
Deck width44 ft (13.3 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,903 (2020)
Projected traffic20,869 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Columbia Avenue over I-80/I-94 177th ST built?

It was built in 1991, making it 34 years old in 2025.

What condition is Columbia Avenue over I-80/I-94 177th ST 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 March 2024.

How much traffic does Columbia Avenue over I-80/I-94 177th ST carry?

About 7,903 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Columbia Avenue over I-80/I-94 177th ST?

The structure is 273 ft (83.2 m) long with a longest span of 98 ft (30 m) and a deck 44 ft wide.

Who owns Columbia Avenue over I-80/I-94 177th ST?

It is owned by the State Highway Agency.