US Bridges

NB US 395 Spur Nsc over Gerlach RD

Good

Spokane County, Washington · 5.7 N JCT I-90 · Structure no. 0017278B0000000

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
109 ft
1 main span
Daily traffic
6,253
2023 count
Owner
State
State Highway Agency

About this bridge

NB US 395 Spur Nsc over Gerlach RD is a prestressed concrete stringer/multi-beam or girder carrying NB US 395 Spur Nsc over Gerlach RD 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 6,253 vehicles a day, roughly 8% of them trucks, projected to reach 8,901 by 2039. The structure is 109 ft (33.2 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNB US 395 Spur Nsc
CrossesGerlach RD
Location5.7 N JCT I-90
RouteU.S. Route 395
CountySpokane County
StateWashington
Coordinates47.735, -117.35875
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length109 ft (33.2 m)
Longest span104 ft (31.6 m)
Deck width60 ft (18.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,253 (2023)
Projected traffic8,901 by 2039
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB US 395 Spur Nsc over Gerlach RD built?

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

What condition is NB US 395 Spur Nsc over Gerlach RD 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 2023.

How much traffic does NB US 395 Spur Nsc over Gerlach RD carry?

About 6,253 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is NB US 395 Spur Nsc over Gerlach RD?

The structure is 109 ft (33.2 m) long with a longest span of 104 ft (31.6 m) and a deck 60 ft wide.

Who owns NB US 395 Spur Nsc over Gerlach RD?

It is owned by the State Highway Agency.