US Bridges

US 26 (hwy 47) over Little Humbug Creek

Good

Clatsop County, Oregon · 08.2 MI SE Cannon Bch JCT · Structure no. 24219 047 00822

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
5,133
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 47) over Little Humbug Creek is a prestressed concrete tee beam carrying US 26 (hwy 47) over Little Humbug Creek in Clatsop County, Oregon. It was built in 2024, so it is 1 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,133 vehicles a day, roughly 11% of them trucks, projected to reach 7,500 by 2042. The structure is 60 ft (18.3 m) long and 48 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesUS 26 (hwy 47)
CrossesLittle Humbug Creek
Location08.2 MI SE Cannon Bch JCT
RouteU.S. Route 26
CountyClatsop County
StateOregon
Coordinates45.90701, -123.78355
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,133 (2022)
Projected traffic7,500 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 2024, making it 1 years old in 2025.

What condition is US 26 (hwy 47) over Little Humbug 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 December 2024.

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

About 5,133 vehicles per day (2022 count), of which roughly 11% are trucks.

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

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 48 ft wide.

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

It is owned by the State Highway Agency.