US Bridges

N-N Ramp over US 2

Good

Spokane County, Washington · JCT US 2 · Structure no. 0017610C0000000

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
230 ft
2 main spans
Daily traffic
1,754
2023 count
Owner
State
State Highway Agency

About this bridge

N-N Ramp over US 2 is a prestressed concrete continuous stringer/multi-beam or girder carrying N-N Ramp over US 2 in Spokane County, Washington. It was built in 2011, so it is 14 years old, younger than the Washington average of 49.8 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 1,754 vehicles a day, roughly 5% of them trucks, projected to reach 1,942 by 2039. The structure is 230 ft (70.1 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesN-N Ramp
CrossesUS 2
LocationJCT US 2
RouteU.S. Route 395
CountySpokane County
StateWashington
Coordinates47.77547, -117.37233
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.9 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length230 ft (70.1 m)
Longest span109 ft (33.2 m)
Deck width47 ft (14.2 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck24 ft (7.4 m)

Traffic and service

Average daily traffic1,754 (2023)
Projected traffic1,942 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was N-N Ramp over US 2 built?

It was built in 2011, making it 14 years old in 2025.

What condition is N-N Ramp over US 2 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 June 2023.

How much traffic does N-N Ramp over US 2 carry?

About 1,754 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is N-N Ramp over US 2?

The structure is 230 ft (70.1 m) long with a longest span of 109 ft (33.2 m) and a deck 47 ft wide.

Who owns N-N Ramp over US 2?

It is owned by the State Highway Agency.