US Bridges

US 26 (hwy 047) over Mendenhall Creek

Good

Washington County, Oregon · 7.8 MI W HWY 37 JCT · Structure no. 24025 047 04563

Built
2024
1 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
11,120
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 047) over Mendenhall Creek is a steel stringer/multi-beam or girder carrying US 26 (hwy 047) over Mendenhall Creek in Washington 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 11,120 vehicles a day, roughly 12% of them trucks, projected to reach 14,500 by 2042. The structure is 50 ft (15.2 m) long and 72 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

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CarriesUS 26 (hwy 047)
CrossesMendenhall Creek
Location7.8 MI W HWY 37 JCT
RouteU.S. Route 26
CountyWashington County
StateOregon
Coordinates45.68028, -123.19213
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating67.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width72 ft (21.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,120 (2022)
Projected traffic14,500 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 047) over Mendenhall Creek built?

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

What condition is US 26 (hwy 047) over Mendenhall 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 2024.

How much traffic does US 26 (hwy 047) over Mendenhall Creek carry?

About 11,120 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 26 (hwy 047) over Mendenhall Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 72 ft wide.

Who owns US 26 (hwy 047) over Mendenhall Creek?

It is owned by the State Highway Agency.