US Bridges

Mountain View Blvd over Spanaway Lake

FairPosted for load

Pierce County, Washington · .28 S JCT Mltry R · Structure no. 082632000000000

Built
1952
73 years old, rebuilt 1966
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
103 ft
2 main spans
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

Mountain View Blvd over Spanaway Lake is a wood or timber stringer/multi-beam or girder carrying Mountain View Blvd over Spanaway Lake in Pierce County, Washington. It was built in 1952 and reconstructed in 1966, so it is 73 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 290 vehicles a day, roughly 2% of them trucks, projected to reach 480 by 2041. The structure is 103 ft (31.4 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMountain View Blvd
CrossesSpanaway Lake
Location.28 S JCT Mltry R
RouteCounty Highway 44940
CountyPierce County
StateWashington
Coordinates47.11766, -122.44879
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckCorrugated steel
Main spans2
Design loadH 15
Structure length103 ft (31.4 m)
Longest span50 ft (15.2 m)
Deck width19 ft (5.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic480 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mountain View Blvd over Spanaway Lake built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1966.

What condition is Mountain View Blvd over Spanaway Lake 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 Mountain View Blvd over Spanaway Lake carry?

About 290 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Mountain View Blvd over Spanaway Lake?

The structure is 103 ft (31.4 m) long with a longest span of 50 ft (15.2 m) and a deck 19 ft wide.

Who owns Mountain View Blvd over Spanaway Lake?

It is owned by the County Highway Agency.