US Bridges

US 26 (hwy 041) over Marks Creek

Good

Crook County, Oregon · 146 MI E Prineville · Structure no. 20326 041 03399

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
852
2022 count
Owner
State
State Highway Agency

About this bridge

US 26 (hwy 041) over Marks Creek is a prestressed concrete stringer/multi-beam or girder carrying US 26 (hwy 041) over Marks Creek in Crook County, Oregon. It was built in 2008, so it is 17 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 852 vehicles a day, roughly 28% of them trucks, projected to reach 1,100 by 2042. The structure is 84 ft (25.6 m) long and 43 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

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CarriesUS 26 (hwy 041)
CrossesMarks Creek
Location146 MI E Prineville
RouteU.S. Route 26
CountyCrook County
StateOregon
Coordinates44.33642, -120.57642
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span84 ft (25.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic852 (2022)
Projected traffic1,100 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 26 (hwy 041) over Marks Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 26 (hwy 041) over Marks 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 July 2023.

How much traffic does US 26 (hwy 041) over Marks Creek carry?

About 852 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is US 26 (hwy 041) over Marks Creek?

The structure is 84 ft (25.6 m) long with a longest span of 84 ft (25.6 m) and a deck 43 ft wide.

Who owns US 26 (hwy 041) over Marks Creek?

It is owned by the State Highway Agency.