US Bridges

US 12SR 912 over Cn RR & Yrd Gary Av DR

Good

Lake County, Indiana · 00.49 W I-90 · Structure no. 033080

Built
1965
60 years old, rebuilt 2008
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
473 ft
5 main spans
Daily traffic
37,896
2021 count
Owner
State
State Highway Agency

About this bridge

US 12SR 912 over Cn RR & Yrd Gary Av DR is a steel stringer/multi-beam or girder carrying US 12SR 912 over Cn RR & Yrd Gary Av DR in Lake County, Indiana. It was built in 1965 and reconstructed in 2008, 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 37,896 vehicles a day, roughly 14% of them trucks, projected to reach 99,395 by 2030. The structure is 473 ft (144.3 m) long and 88 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 12SR 912
CrossesCn RR & Yrd Gary Av DR
Location00.49 W I-90
RouteU.S. Route 12
StateIndiana
Coordinates41.61719, -87.43207
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating36.4 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5 (+3 approach)
Design loadHS 20
Structure length473 ft (144.3 m)
Longest span78 ft (23.9 m)
Deck width88 ft (26.9 m)
Roadway width85 ft (25.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,896 (2021)
Projected traffic99,395 by 2030
Trucks14%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 12SR 912 over Cn RR & Yrd Gary Av DR built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2008.

What condition is US 12SR 912 over Cn RR & Yrd Gary Av DR 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 September 2024.

How much traffic does US 12SR 912 over Cn RR & Yrd Gary Av DR carry?

About 37,896 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US 12SR 912 over Cn RR & Yrd Gary Av DR?

The structure is 473 ft (144.3 m) long with a longest span of 78 ft (23.9 m) and a deck 88 ft wide.

Who owns US 12SR 912 over Cn RR & Yrd Gary Av DR?

It is owned by the State Highway Agency.