US Bridges

35th Ave SE over Penny Creek

Good

Snohomish County, Washington · 0.65 MI S of SR 96 · Structure no. 089061000000000

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
100
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

35th Ave SE over Penny Creek is a prestressed concrete slab carrying 35th Ave SE over Penny Creek in Snohomish County, Washington. It was built in 2019, so it is 6 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2039. The structure is 44 ft (13.4 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries35th Ave SE
CrossesPenny Creek
Location0.65 MI S of SR 96
RouteCity Street 778
Coordinates47.86844, -122.18542
Functional classUrban Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating68.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic150 by 2039
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 35th Ave SE over Penny Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is 35th Ave SE over Penny Creek 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 2023.

How much traffic does 35th Ave SE over Penny Creek carry?

About 100 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is 35th Ave SE over Penny Creek?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 56 ft wide.

Who owns 35th Ave SE over Penny Creek?

It is owned by the City or Municipal Highway Agency.