US Bridges

Baker Lake Road over Shannon Creek

Good

Whatcom County, Washington · No Data Entered · Structure no. 060501000003179

Built
2004
21 years old
Condition
Good
inspected November 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
150
2004 count
Owner
Federal
U.S. Forest Service

About this bridge

Baker Lake Road over Shannon Creek is a prestressed concrete stringer/multi-beam or girder carrying Baker Lake Road over Shannon 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 225 by 2045. The structure is 103 ft (31.3 m) long and 30 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesBaker Lake Road
CrossesShannon Creek
LocationNo Data Entered
RouteFederal Lands Road 11000
Coordinates48.7453, -121.5965
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 protection7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating63.4 US tons
Inventory rating47.6 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.3 m)
Longest span100 ft (30.5 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2004)
Projected traffic225 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Baker Lake Road over Shannon Creek built?

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

What condition is Baker Lake Road over Shannon 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 November 2021.

How much traffic does Baker Lake Road over Shannon Creek carry?

About 150 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is Baker Lake Road over Shannon Creek?

The structure is 103 ft (31.3 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.

Who owns Baker Lake Road over Shannon Creek?

It is owned by the U.S. Forest Service.