US Bridges

Frost RD over Saar Creek

Good

Whatcom County, Washington · 0.5 N South Pass Road · Structure no. 087230000000000

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
118
2023 count
Owner
County
County Highway Agency

About this bridge

Frost RD over Saar Creek is a prestressed concrete tee beam carrying Frost RD over Saar Creek in Whatcom County, Washington. It was built in 2004, so it is 21 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 118 vehicles a day, roughly 6% of them trucks, projected to reach 300 by 2045. The structure is 104 ft (31.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFrost RD
CrossesSaar Creek
Location0.5 N South Pass Road
RouteCounty Highway 68130
Coordinates48.96528, -122.18719
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
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 rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length104 ft (31.7 m)
Longest span100 ft (30.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2023)
Projected traffic300 by 2045
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Frost RD over Saar Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Frost RD over Saar 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 April 2023.

How much traffic does Frost RD over Saar Creek carry?

About 118 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Frost RD over Saar Creek?

The structure is 104 ft (31.7 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.

Who owns Frost RD over Saar Creek?

It is owned by the County Highway Agency.