US Bridges

SE 62nd Street over Issaquah Creek

Good

King County, Washington · 0.3 MI N of I-90 · Structure no. 089113000000000

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
794 ft
7 main spans
Daily traffic
5,500
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

SE 62nd Street over Issaquah Creek is a concrete continuous stringer/multi-beam or girder carrying SE 62nd Street over Issaquah Creek in King 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 5,500 vehicles a day, roughly 5% of them trucks, projected to reach 11,000 by 2042. The structure is 794 ft (242 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSE 62nd Street
CrossesIssaquah Creek
Location0.3 MI N of I-90
RouteCity Street 590
Coordinates47.54597, -122.04627
Functional classUrban 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating47.8 US tons
Inventory rating37.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7 (+2 approach)
Design loadHL 93
Structure length794 ft (242 m)
Longest span130 ft (39.6 m)
Deck width33 ft (10 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2019)
Projected traffic11,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$8.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 62nd Street over Issaquah Creek built?

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

What condition is SE 62nd Street over Issaquah 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 September 2023.

How much traffic does SE 62nd Street over Issaquah Creek carry?

About 5,500 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is SE 62nd Street over Issaquah Creek?

The structure is 794 ft (242 m) long with a longest span of 130 ft (39.6 m) and a deck 33 ft wide.

Who owns SE 62nd Street over Issaquah Creek?

It is owned by the City or Municipal Highway Agency.