US Bridges

Frontier Street over Clallam River

Good

Clallam County, Washington · 00.44 NE JCT SR112 · Structure no. 082819000000000

Built
1995
30 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
164 ft
2 main spans
Daily traffic
400
2017 count
Owner
County
County Highway Agency

About this bridge

Frontier Street over Clallam River is a wood or timber stringer/multi-beam or girder carrying Frontier Street over Clallam River in Clallam County, Washington. It was built in 1995, so it is 30 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 400 vehicles a day, roughly 13% of them trucks, projected to reach 640 by 2037. The structure is 164 ft (50 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFrontier Street
CrossesClallam River
Location00.44 NE JCT SR112
RouteCounty Highway 19400
Coordinates48.25803, -124.25231
Functional classRural Minor 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating53 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 25 or greater
Structure length164 ft (50 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2017)
Projected traffic640 by 2037
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Frontier Street over Clallam River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Frontier Street over Clallam River 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 January 2024.

How much traffic does Frontier Street over Clallam River carry?

About 400 vehicles per day (2017 count), of which roughly 13% are trucks.

How long is Frontier Street over Clallam River?

The structure is 164 ft (50 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns Frontier Street over Clallam River?

It is owned by the County Highway Agency.