US Bridges

Johnson Road over I-94 Eb/Wb Norris Ditch

Fair

LaPorte County, Indiana · 02.93 E US 421 · Structure no. 049320

Built
1971
54 years old, rebuilt 2002
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
322 ft
3 main spans
Daily traffic
8,709
2021 count
Owner
State
State Highway Agency

About this bridge

Johnson Road over I-94 Eb/Wb Norris Ditch is a steel continuous stringer/multi-beam or girder carrying Johnson Road over I-94 Eb/Wb Norris Ditch in LaPorte County, Indiana. It was built in 1971 and reconstructed in 2002, so it is 54 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 8,709 vehicles a day, roughly 2% of them trucks, projected to reach 22,528 by 2030. The structure is 322 ft (98.1 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJohnson Road
CrossesI-94 Eb/Wb Norris Ditch
Location02.93 E US 421
RouteCounty Highway 0
StateIndiana
Coordinates41.67469, -86.84613
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span107 ft (32.6 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,709 (2021)
Projected traffic22,528 by 2030
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Johnson Road over I-94 Eb/Wb Norris Ditch built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2002.

What condition is Johnson Road over I-94 Eb/Wb Norris Ditch 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 Johnson Road over I-94 Eb/Wb Norris Ditch carry?

About 8,709 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Johnson Road over I-94 Eb/Wb Norris Ditch?

The structure is 322 ft (98.1 m) long with a longest span of 107 ft (32.6 m) and a deck 47 ft wide.

Who owns Johnson Road over I-94 Eb/Wb Norris Ditch?

It is owned by the State Highway Agency.