US Bridges

Baker Lk RD over Sulphur CR

Good

Whatcom County, Washington · 2.05 N Skagit Line · Structure no. 088232000000000

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
916
2020 count
Owner
County
County Highway Agency

About this bridge

Baker Lk RD over Sulphur CR is a prestressed concrete stringer/multi-beam or girder carrying Baker Lk RD over Sulphur CR in Whatcom County, Washington. It was built in 2010, so it is 15 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 916 vehicles a day, roughly 5% of them trucks, projected to reach 1,500 by 2042. The structure is 112 ft (34.1 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBaker Lk RD
CrossesSulphur CR
Location2.05 N Skagit Line
RouteCounty Highway 87000
Coordinates48.66218, -121.71749
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 rating65 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length112 ft (34.1 m)
Longest span107 ft (32.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic916 (2020)
Projected traffic1,500 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Baker Lk RD over Sulphur CR built?

It was built in 2010, making it 15 years old in 2025.

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

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

About 916 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Baker Lk RD over Sulphur CR?

The structure is 112 ft (34.1 m) long with a longest span of 107 ft (32.6 m) and a deck 33 ft wide.

Who owns Baker Lk RD over Sulphur CR?

It is owned by the County Highway Agency.