US Bridges

SE 14th Street over Unnamed Creek

Good

Clark County, Washington · SE 14th St. & SE 21st Ave · Structure no. 089083000000000

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Concrete
Length
53 ft
1 main span
Daily traffic
500
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

SE 14th Street over Unnamed Creek is a concrete tee beam carrying SE 14th Street over Unnamed Creek in Clark 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 500 vehicles a day, roughly 3% of them trucks, projected to reach 1,000 by 2039. The structure is 53 ft (16.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSE 14th Street
CrossesUnnamed Creek
LocationSE 14th St. & SE 21st Ave
RouteCity Street 60
Coordinates45.7711, -122.51461
Functional classUrban Local

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2019)
Projected traffic1,000 by 2039
Trucks3%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$806,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SE 14th Street over Unnamed Creek built?

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

What condition is SE 14th Street over Unnamed 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 May 2023.

How much traffic does SE 14th Street over Unnamed Creek carry?

About 500 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is SE 14th Street over Unnamed Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns SE 14th Street over Unnamed Creek?

It is owned by the City or Municipal Highway Agency.