US Bridges

Ramp B over Ramp B

Fair

Lake County, Indiana · 01.33 W US 12 · Structure no. 033035

Built
1959
66 years old, rebuilt 2000
Condition
Fair
inspected July 2024
Type
Frame
Concrete
Length
54 ft
1 main span
Daily traffic
1,049
2021 count
Owner
State
State Highway Agency

About this bridge

Ramp B over Ramp B is a concrete frame carrying Ramp B over Ramp B in Lake County, Indiana. It was built in 1959 and reconstructed in 2000, so it is 66 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 5 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 1,049 vehicles a day, roughly 35% of them trucks, projected to reach 5,325 by 2030. The structure is 54 ft (16.4 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesRamp B
CrossesRamp B
Location01.33 W US 12
RouteState Highway 912
CountyLake County
StateIndiana
Coordinates41.65193, -87.44409
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span47 ft (14.3 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,049 (2021)
Projected traffic5,325 by 2030
Trucks35%
Lanes on structure1
Traffic directionOne-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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp B over Ramp B built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2000.

What condition is Ramp B over Ramp B 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 July 2024.

How much traffic does Ramp B over Ramp B carry?

About 1,049 vehicles per day (2021 count), of which roughly 35% are trucks.

How long is Ramp B over Ramp B?

The structure is 54 ft (16.4 m) long with a longest span of 47 ft (14.3 m) and a deck 40 ft wide.

Who owns Ramp B over Ramp B?

It is owned by the State Highway Agency.