US Bridges

Baker Lk RD over Sandy CR

Fair

Whatcom County, Washington · 03.85 N Skagit Line · Structure no. 083253000000000

Built
1957
68 years old, rebuilt 1980
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
1 main span
Daily traffic
916
2024 count
Owner
County
County Highway Agency

About this bridge

Baker Lk RD over Sandy CR is a prestressed concrete stringer/multi-beam or girder carrying Baker Lk RD over Sandy CR in Whatcom County, Washington. It was built in 1957 and reconstructed in 1980, so it is 68 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 916 vehicles a day, roughly 5% of them trucks, projected to reach 1,500 by 2046. The structure is 127 ft (38.7 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBaker Lk RD
CrossesSandy CR
Location03.85 N Skagit Line
RouteCounty Highway 87000
Coordinates48.68489, -121.70897
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length127 ft (38.7 m)
Longest span123 ft (37.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic916 (2024)
Projected traffic1,500 by 2046
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Baker Lk RD over Sandy CR built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1980.

What condition is Baker Lk RD over Sandy CR 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 October 2024.

How much traffic does Baker Lk RD over Sandy CR carry?

About 916 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Baker Lk RD over Sandy CR?

The structure is 127 ft (38.7 m) long with a longest span of 123 ft (37.5 m) and a deck 31 ft wide.

Who owns Baker Lk RD over Sandy CR?

It is owned by the County Highway Agency.