US Bridges

SR 153 over Black Canyon Creek

Fair

Okanogan County, Washington · 6.6 N JCT US 97 · Structure no. 0003583A0000000

Built
1949
76 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
98 ft
3 main spans
Daily traffic
1,847
2023 count
Owner
State
State Highway Agency

About this bridge

SR 153 over Black Canyon Creek is a concrete tee beam carrying SR 153 over Black Canyon Creek in Okanogan 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 1,847 vehicles a day, roughly 9% of them trucks, projected to reach 1,913 by 2039. The structure is 98 ft (29.9 m) long and 32 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesSR 153
CrossesBlack Canyon Creek
Location6.6 N JCT US 97
RouteState Highway 153
Coordinates48.07747, -120.01067
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length98 ft (29.9 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,847 (2023)
Projected traffic1,913 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 153 over Black Canyon Creek built?

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

What condition is SR 153 over Black Canyon Creek 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 SR 153 over Black Canyon Creek carry?

About 1,847 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 153 over Black Canyon Creek?

The structure is 98 ft (29.9 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns SR 153 over Black Canyon Creek?

It is owned by the State Highway Agency.