US Bridges

Baker Lake Road over Grandy Creek near Lake

Fair

Skagit County, Washington · 4.0 NE JCT SR 20 · Structure no. 084245000000000

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
725
2021 count
Owner
County
County Highway Agency

About this bridge

Baker Lake Road over Grandy Creek near Lake is a prestressed concrete channel beam carrying Baker Lake Road over Grandy Creek near Lake in Skagit County, Washington. It was built in 1968, so it is 57 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 5 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 725 vehicles a day, roughly 18% of them trucks, projected to reach 1,077 by 2041. The structure is 41 ft (12.4 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesBaker Lake Road
CrossesGrandy Creek near Lake
Location4.0 NE JCT SR 20
RouteCounty Highway 97000
CountySkagit County
StateWashington
Coordinates48.5623, -121.81597
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating69 US tons
Inventory rating41 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span39 ft (12 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2021)
Projected traffic1,077 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$698,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Baker Lake Road over Grandy Creek near Lake built?

It was built in 1968, making it 57 years old in 2025.

What condition is Baker Lake Road over Grandy Creek near Lake 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 September 2024.

How much traffic does Baker Lake Road over Grandy Creek near Lake carry?

About 725 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is Baker Lake Road over Grandy Creek near Lake?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (12 m) and a deck 30 ft wide.

Who owns Baker Lake Road over Grandy Creek near Lake?

It is owned by the County Highway Agency.