US Bridges

I-94 EB over NS RR

Fair

Porter County, Indiana · 01.36 E US 20 · Structure no. 049100

Built
1969
56 years old, rebuilt 2014
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
236 ft
3 main spans
Daily traffic
80,516
2021 count
Owner
State
State Highway Agency

About this bridge

I-94 EB over NS RR is a steel continuous stringer/multi-beam or girder carrying I-94 EB over NS RR in Porter County, Indiana. It was built in 1969 and reconstructed in 2014, so it is 56 years old, older 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 80,516 vehicles a day, roughly 20% of them trucks, projected to reach 57,126 by 2030. The structure is 236 ft (71.9 m) long and 65 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-94 EB
CrossesNS RR
Location01.36 E US 20
RouteInterstate 94
StateIndiana
Coordinates41.61455, -87.08525
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 rating65 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length236 ft (71.9 m)
Longest span95 ft (28.9 m)
Deck width65 ft (19.9 m)
Roadway width62 ft (19 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,516 (2021)
Projected traffic57,126 by 2030
Trucks20%
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-94 EB over NS RR built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2014.

What condition is I-94 EB over NS RR 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 May 2024.

How much traffic does I-94 EB over NS RR carry?

About 80,516 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is I-94 EB over NS RR?

The structure is 236 ft (71.9 m) long with a longest span of 95 ft (28.9 m) and a deck 65 ft wide.

Who owns I-94 EB over NS RR?

It is owned by the State Highway Agency.