US Bridges

SW Murray Blvd over Cedar Mill Creek

Good

Washington County, Oregon · 1 MI S/O HWY #26 · Structure no. 671355C20600000

Built
1987
38 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
28,683
2020 count
Owner
County
County Highway Agency

About this bridge

SW Murray Blvd over Cedar Mill Creek is a prestressed concrete slab carrying SW Murray Blvd over Cedar Mill Creek in Washington County, Oregon. It was built in 1987, so it is 38 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 28,683 vehicles a day, roughly 10% of them trucks, projected to reach 41,842 by 2025. The structure is 67 ft (20.4 m) long and 93 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSW Murray Blvd
CrossesCedar Mill Creek
Location1 MI S/O HWY #26
RouteCounty Highway C1735
StateOregon
Coordinates45.50998, -122.82285
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length67 ft (20.4 m)
Longest span66 ft (20.1 m)
Deck width93 ft (28.3 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,683 (2020)
Projected traffic41,842 by 2025
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 SW Murray Blvd over Cedar Mill Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is SW Murray Blvd over Cedar Mill 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 September 2024.

How much traffic does SW Murray Blvd over Cedar Mill Creek carry?

About 28,683 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SW Murray Blvd over Cedar Mill Creek?

The structure is 67 ft (20.4 m) long with a longest span of 66 ft (20.1 m) and a deck 93 ft wide.

Who owns SW Murray Blvd over Cedar Mill Creek?

It is owned by the County Highway Agency.