US Bridges

SR 410 over Pspl CO Canal

Fair

Pierce County, Washington · 1.1 E JCT SR 165 · Structure no. 0003592A0000000

Built
1949
76 years old
Condition
Fair
inspected February 2024
Type
Girder and Floorbeam System
Steel
Length
116 ft
1 main span
Daily traffic
22,099
2023 count
Owner
State
State Highway Agency

About this bridge

SR 410 over Pspl CO Canal is a steel girder and floorbeam system carrying SR 410 over Pspl CO Canal in Pierce County, Washington. It was built in 1949, so it is 76 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.

It carries about 22,099 vehicles a day, roughly 5% of them trucks, projected to reach 32,467 by 2039. The structure is 116 ft (35.4 m) long and 37 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesSR 410
CrossesPspl CO Canal
Location1.1 E JCT SR 165
RouteState Highway 410
Coordinates47.17125, -122.02483
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span110 ft (33.5 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,099 (2023)
Projected traffic32,467 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed37.9 mi (61 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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 410 over Pspl CO Canal built?

It was built in 1949, making it 76 years old in 2025.

What condition is SR 410 over Pspl CO Canal 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 February 2024.

How much traffic does SR 410 over Pspl CO Canal carry?

About 22,099 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 410 over Pspl CO Canal?

The structure is 116 ft (35.4 m) long with a longest span of 110 ft (33.5 m) and a deck 37 ft wide.

Who owns SR 410 over Pspl CO Canal?

It is owned by the State Highway Agency.