US Bridges

US 26 (hwy 47) over Mail Creek

Good

Clatsop County, Oregon · 040 MI SE Cannon Bch JCT · Structure no. 19666 047 00399

Built
2004
21 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
6,279
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 47) over Mail Creek is a prestressed concrete box beam or girders - multiple carrying US 26 (hwy 47) over Mail Creek in Clatsop County, Oregon. It was built in 2004, so it is 21 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,279 vehicles a day, roughly 11% of them trucks, projected to reach 9,300 by 2042. The structure is 100 ft (30.4 m) long and 44 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesUS 26 (hwy 47)
CrossesMail Creek
Location040 MI SE Cannon Bch JCT
RouteU.S. Route 26
CountyClatsop County
StateOregon
Coordinates45.90144, -123.86771
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length100 ft (30.4 m)
Longest span100 ft (30.4 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,279 (2022)
Projected traffic9,300 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 Mail Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 26 (hwy 47) over Mail 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 May 2023.

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

About 6,279 vehicles per day (2022 count), of which roughly 11% are trucks.

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

The structure is 100 ft (30.4 m) long with a longest span of 100 ft (30.4 m) and a deck 44 ft wide.

Who owns US 26 (hwy 47) over Mail Creek?

It is owned by the State Highway Agency.