US Bridges

SR 912 over Guthrie Street

Good

Lake County, Indiana · 00.32 W US 12 · Structure no. 033039

Built
1980
45 years old, rebuilt 2018
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
147 ft
3 main spans
Daily traffic
17,578
2021 count
Owner
State
State Highway Agency

About this bridge

SR 912 over Guthrie Street is a steel continuous stringer/multi-beam or girder carrying SR 912 over Guthrie Street in Lake County, Indiana. It was built in 1980 and reconstructed in 2018, so it is 45 years old, younger 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 17,578 vehicles a day, roughly 8% of them trucks, projected to reach 31,403 by 2035. The structure is 147 ft (44.9 m) long and 111 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 912
CrossesGuthrie Street
Location00.32 W US 12
RouteState Highway 912
StateIndiana
Coordinates41.64061, -87.43179
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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating70.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.9 m)
Longest span64 ft (19.6 m)
Deck width111 ft (33.8 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,578 (2021)
Projected traffic31,403 by 2035
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 over Guthrie Street built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2018.

What condition is SR 912 over Guthrie Street 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 over Guthrie Street carry?

About 17,578 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is SR 912 over Guthrie Street?

The structure is 147 ft (44.9 m) long with a longest span of 64 ft (19.6 m) and a deck 111 ft wide.

Who owns SR 912 over Guthrie Street?

It is owned by the State Highway Agency.