US Bridges

SR 912 WB over US 12 (indstr Hwy) Eb/Wb

Good

Lake County, Indiana · 00.52 W SR 312 · Structure no. 033041

Built
1970
55 years old, rebuilt 2021
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
2 main spans
Daily traffic
15,359
2021 count
Owner
State
State Highway Agency

About this bridge

SR 912 WB over US 12 (indstr Hwy) Eb/Wb is a steel continuous stringer/multi-beam or girder carrying SR 912 WB over US 12 (indstr Hwy) Eb/Wb in Lake County, Indiana. It was built in 1970 and reconstructed in 2021, so it is 55 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 15,359 vehicles a day, roughly 9% of them trucks, projected to reach 39,967 by 2030. The structure is 242 ft (73.7 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 912 WB
CrossesUS 12 (indstr Hwy) Eb/Wb
Location00.52 W SR 312
RouteState Highway 912
StateIndiana
Coordinates41.63628, -87.43183
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length242 ft (73.7 m)
Longest span89 ft (27.2 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,359 (2021)
Projected traffic39,967 by 2030
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 912 WB over US 12 (indstr Hwy) Eb/Wb built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2021.

What condition is SR 912 WB over US 12 (indstr Hwy) Eb/Wb 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 SR 912 WB over US 12 (indstr Hwy) Eb/Wb carry?

About 15,359 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 912 WB over US 12 (indstr Hwy) Eb/Wb?

The structure is 242 ft (73.7 m) long with a longest span of 89 ft (27.2 m) and a deck 57 ft wide.

Who owns SR 912 WB over US 12 (indstr Hwy) Eb/Wb?

It is owned by the State Highway Agency.