US Bridges

Pine St/Black Diam over US 101

Good

Clallam County, Washington · 0.4 E JCT SR 117 · Structure no. 0015259A0000000

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
138 ft
1 main span
Daily traffic
1,941
2002 count
Owner
State
State Highway Agency

About this bridge

Pine St/Black Diam over US 101 is a concrete stringer/multi-beam or girder carrying Pine St/Black Diam over US 101 in Clallam County, Washington. It was built in 1998, so it is 27 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 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 1,941 vehicles a day, roughly 10% of them trucks, projected to reach 3,129 by 2036. The structure is 138 ft (42 m) long and 42 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesPine St/Black Diam
CrossesUS 101
Location0.4 E JCT SR 117
RouteCity Street 0
Coordinates48.10781, -123.45394
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating51 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length138 ft (42 m)
Longest span132 ft (40.2 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,941 (2002)
Projected traffic3,129 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pine St/Black Diam over US 101 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Pine St/Black Diam over US 101 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 2024.

How much traffic does Pine St/Black Diam over US 101 carry?

About 1,941 vehicles per day (2002 count), of which roughly 10% are trucks.

How long is Pine St/Black Diam over US 101?

The structure is 138 ft (42 m) long with a longest span of 132 ft (40.2 m) and a deck 42 ft wide.

Who owns Pine St/Black Diam over US 101?

It is owned by the State Highway Agency.