US Bridges

Snuffin RD over Eagle Creek

Poor

Clackamas County, Oregon · 0.2 MI S of Eagle Fern Pk · Structure no. 06466 045 00004

Built
1956
69 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
5,000
2018 count
Owner
County
County Highway Agency

About this bridge

Snuffin RD over Eagle Creek is a steel stringer/multi-beam or girder carrying Snuffin RD over Eagle Creek in Clackamas County, Oregon. It was built in 1956, so it is 69 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,000 vehicles a day, roughly 25% of them trucks, projected to reach 5,100 by 2038. The structure is 77 ft (23.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSnuffin RD
CrossesEagle Creek
Location0.2 MI S of Eagle Fern Pk
RouteCounty Highway 0A647
StateOregon
Coordinates45.31562, -122.2815
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span76 ft (23.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2018)
Projected traffic5,100 by 2038
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Snuffin RD over Eagle Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Snuffin RD over Eagle Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Snuffin RD over Eagle Creek carry?

About 5,000 vehicles per day (2018 count), of which roughly 25% are trucks.

How long is Snuffin RD over Eagle Creek?

The structure is 77 ft (23.5 m) long with a longest span of 76 ft (23.2 m) and a deck 28 ft wide.

Who owns Snuffin RD over Eagle Creek?

It is owned by the County Highway Agency.