US Bridges

US 26 (hwy 47) over East Fork Humbug Creek

Fair

Clatsop County, Oregon · 022 MI NW Elsie · Structure no. 01832 047 01737

Built
1934
91 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
79 ft
3 main spans
Daily traffic
6,234
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 47) over East Fork Humbug Creek is a wood or timber stringer/multi-beam or girder carrying US 26 (hwy 47) over East Fork Humbug Creek in Clatsop County, Oregon. It was built in 1934, so it is 91 years old, older than the Oregon average of 49.9 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 6,234 vehicles a day, roughly 10% of them trucks, projected to reach 8,700 by 2042. The structure is 79 ft (24.1 m) long and 33 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

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CarriesUS 26 (hwy 47)
CrossesEast Fork Humbug Creek
Location022 MI NW Elsie
RouteU.S. Route 26
CountyClatsop County
StateOregon
Coordinates45.88889, -123.62082
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionNovember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length79 ft (24.1 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,234 (2022)
Projected traffic8,700 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$405,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 26 (hwy 47) over East Fork Humbug Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is US 26 (hwy 47) over East Fork Humbug 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 November 2024.

How much traffic does US 26 (hwy 47) over East Fork Humbug Creek carry?

About 6,234 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is US 26 (hwy 47) over East Fork Humbug Creek?

The structure is 79 ft (24.1 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns US 26 (hwy 47) over East Fork Humbug Creek?

It is owned by the State Highway Agency.