US Bridges

Rd. No. 26 over Tenas Creek

Fair

Skagit County, Washington · M.P. 0.0 Rd. No. 26 · Structure no. 060502000001443

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Frame
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
79
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Rd. No. 26 over Tenas Creek is a concrete continuous frame carrying Rd. No. 26 over Tenas Creek in Skagit County, Washington. It was built in 1963, so it is 62 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 79 vehicles a day, projected to reach 118 by 2045. The structure is 80 ft (24.4 m) long and 31 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesRd. No. 26
CrossesTenas Creek
LocationM.P. 0.0 Rd. No. 26
RouteFederal Lands Road 26000
Coordinates48.3281, -121.43713
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating32.1 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length80 ft (24.4 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (1992)
Projected traffic118 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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. 26 over Tenas Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rd. No. 26 over Tenas 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 September 2023.

How much traffic does Rd. No. 26 over Tenas Creek carry?

About 79 vehicles per day (1992 count).

How long is Rd. No. 26 over Tenas Creek?

The structure is 80 ft (24.4 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns Rd. No. 26 over Tenas Creek?

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