US Bridges

I-80 RM to SR 912W over NS RR

Fair

Lake County, Indiana · 00.25 W I-80 · Structure no. 033152

Built
1997
28 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
191 ft
3 main spans
Daily traffic
22,900
2004 count
Owner
State
State Highway Agency

About this bridge

I-80 RM to SR 912W over NS RR is a steel continuous stringer/multi-beam or girder carrying I-80 RM to SR 912W over NS RR in Lake County, Indiana. It was built in 1997, so it is 28 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 22,900 vehicles a day, roughly 5% of them trucks, projected to reach 32,266 by 2030. The structure is 191 ft (58.2 m) long and 59 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-80 RM to SR 912W
CrossesNS RR
Location00.25 W I-80
RouteState Highway 912
CountyLake County
StateIndiana
Coordinates41.57424, -87.4322
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span77 ft (23.5 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,900 (2004)
Projected traffic32,266 by 2030
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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-80 RM to SR 912W over NS RR built?

It was built in 1997, making it 28 years old in 2025.

What condition is I-80 RM to SR 912W 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 September 2024.

How much traffic does I-80 RM to SR 912W over NS RR carry?

About 22,900 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is I-80 RM to SR 912W over NS RR?

The structure is 191 ft (58.2 m) long with a longest span of 77 ft (23.5 m) and a deck 59 ft wide.

Who owns I-80 RM to SR 912W over NS RR?

It is owned by the State Highway Agency.