US Bridges

Shady Slope RD over US 2

Good

Spokane County, Washington · 9.5 N JCT I-90 · Structure no. 0017177D0000000

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
275 ft
2 main spans
Daily traffic
2,500
2015 count
Owner
State
State Highway Agency

About this bridge

Shady Slope RD over US 2 is a prestressed concrete box beam or girders - multiple carrying Shady Slope RD over US 2 in Spokane County, Washington. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,500 vehicles a day, roughly 4% of them trucks, projected to reach 3,325 by 2037. The structure is 275 ft (83.8 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesShady Slope RD
CrossesUS 2
Location9.5 N JCT I-90
RouteCounty Highway 395
CountySpokane County
StateWashington
Coordinates47.77469, -117.37378
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length275 ft (83.8 m)
Longest span150 ft (45.7 m)
Deck width51 ft (15.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2015)
Projected traffic3,325 by 2037
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Shady Slope RD over US 2 built?

It was built in 2008, making it 17 years old in 2025.

What condition is Shady Slope RD 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 August 2024.

How much traffic does Shady Slope RD over US 2 carry?

About 2,500 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Shady Slope RD over US 2?

The structure is 275 ft (83.8 m) long with a longest span of 150 ft (45.7 m) and a deck 51 ft wide.

Who owns Shady Slope RD over US 2?

It is owned by the State Highway Agency.