US Bridges

Rd. No. 2820 over Crevice Creek

Fair

Skagit County, Washington · M.P. 0.1 Rd. No. 2820 · Structure no. 060502000001435

Built
1966
59 years old
Condition
Fair
inspected October 2023
Type
Frame
Concrete Continuous
Length
87 ft
2 main spans
Daily traffic
62
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Rd. No. 2820 over Crevice Creek is a concrete continuous frame carrying Rd. No. 2820 over Crevice Creek in Skagit County, Washington. It was built in 1966, so it is 59 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 62 vehicles a day, projected to reach 93 by 2045. The structure is 87 ft (26.5 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesRd. No. 2820
CrossesCrevice Creek
LocationM.P. 0.1 Rd. No. 2820
RouteFederal Lands Road 28000
Coordinates48.33681, -121.63746
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating28 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length87 ft (26.5 m)
Longest span70 ft (21.3 m)
Deck width18 ft (5.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (1992)
Projected traffic93 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Rd. No. 2820 over Crevice Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Rd. No. 2820 over Crevice Creek 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 2023.

How much traffic does Rd. No. 2820 over Crevice Creek carry?

About 62 vehicles per day (1992 count).

How long is Rd. No. 2820 over Crevice Creek?

The structure is 87 ft (26.5 m) long with a longest span of 70 ft (21.3 m) and a deck 18 ft wide.

Who owns Rd. No. 2820 over Crevice Creek?

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