US Bridges

US 97 over Pine Canyon Creek

Good

Douglas County, Washington · 0.1 N JCT US 97 Spur · Structure no. 0006105A0000000

Built
1959
66 years old, rebuilt 1983
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
6,105
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Pine Canyon Creek is a concrete continuous slab carrying US 97 over Pine Canyon Creek in Douglas County, Washington. It was built in 1959 and reconstructed in 1983, so it is 66 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,105 vehicles a day, roughly 14% of them trucks, projected to reach 7,132 by 2039. The structure is 134 ft (40.8 m) long and 39 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesUS 97
CrossesPine Canyon Creek
Location0.1 N JCT US 97 Spur
RouteU.S. Route 97
Coordinates47.62914, -120.22808
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span52 ft (15.8 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,105 (2023)
Projected traffic7,132 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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$2.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Pine Canyon Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1983.

What condition is US 97 over Pine Canyon 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 July 2024.

How much traffic does US 97 over Pine Canyon Creek carry?

About 6,105 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 97 over Pine Canyon Creek?

The structure is 134 ft (40.8 m) long with a longest span of 52 ft (15.8 m) and a deck 39 ft wide.

Who owns US 97 over Pine Canyon Creek?

It is owned by the State Highway Agency.