US Bridges

Fish Hatchery RD over Salmon Creek

Fair

Lane County, Oregon · 012 MI E of Oakridge · Structure no. 39C626617000130

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
327 ft
3 main spans
Daily traffic
838
2020 count
Owner
County
County Highway Agency

About this bridge

Fish Hatchery RD over Salmon Creek is a prestressed concrete stringer/multi-beam or girder carrying Fish Hatchery RD over Salmon Creek in Lane County, Oregon. It was built in 1966, so it is 59 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 838 vehicles a day, roughly 10% of them trucks, projected to reach 983 by 2025. The structure is 327 ft (99.7 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFish Hatchery RD
CrossesSalmon Creek
Location012 MI E of Oakridge
RouteCounty Highway C6170
StateOregon
Coordinates43.74723, -122.44484
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length327 ft (99.7 m)
Longest span108 ft (32.9 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic838 (2020)
Projected traffic983 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Fish Hatchery RD over Salmon Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Fish Hatchery RD over Salmon Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Fish Hatchery RD over Salmon Creek carry?

About 838 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Fish Hatchery RD over Salmon Creek?

The structure is 327 ft (99.7 m) long with a longest span of 108 ft (32.9 m) and a deck 39 ft wide.

Who owns Fish Hatchery RD over Salmon Creek?

It is owned by the County Highway Agency.