US Bridges

HWY 026 over Salmon River

Good

Clackamas County, Oregon · Unknown · Structure no. 19649 026 05779

Built
2005
20 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
2,492
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 026 over Salmon River is a prestressed concrete slab carrying HWY 026 over Salmon River in Clackamas County, Oregon. It was built in 2005, so it is 20 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 2,492 vehicles a day, roughly 23% of them trucks, projected to reach 3,400 by 2042. The structure is 43 ft (13 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY 026
CrossesSalmon River
LocationUnknown
RouteU.S. Route 26
StateOregon
Coordinates45.28376, -121.7102
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length43 ft (13 m)
Longest span43 ft (13 m)
Deck width85 ft (25.9 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,492 (2022)
Projected traffic3,400 by 2042
Trucks23%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 HWY 026 over Salmon River built?

It was built in 2005, making it 20 years old in 2025.

What condition is HWY 026 over Salmon River 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 2024.

How much traffic does HWY 026 over Salmon River carry?

About 2,492 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is HWY 026 over Salmon River?

The structure is 43 ft (13 m) long with a longest span of 43 ft (13 m) and a deck 85 ft wide.

Who owns HWY 026 over Salmon River?

It is owned by the State Highway Agency.