US Bridges

Ten Eyck RD over Cedar Creek

Good

Clackamas County, Oregon · 0.9 MI N of HWY 26 · Structure no. 21285 000 00258

Built
2009
16 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Ten Eyck RD over Cedar Creek is a prestressed concrete slab carrying Ten Eyck RD over Cedar Creek in Clackamas County, Oregon. It was built in 2009, so it is 16 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 110 vehicles a day, roughly 1% of them trucks, projected to reach 120 by 2025. The structure is 73 ft (22.3 m) long and 36 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesTen Eyck RD
CrossesCedar Creek
Location0.9 MI N of HWY 26
RouteCounty Highway 0
StateOregon
Coordinates45.39918, -122.24621
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.4 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span72 ft (21.9 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic120 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

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 Ten Eyck RD over Cedar Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ten Eyck RD over Cedar 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 2024.

How much traffic does Ten Eyck RD over Cedar Creek carry?

About 110 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Ten Eyck RD over Cedar Creek?

The structure is 73 ft (22.3 m) long with a longest span of 72 ft (21.9 m) and a deck 36 ft wide.

Who owns Ten Eyck RD over Cedar Creek?

It is owned by the County Highway Agency.