US Bridges

Fish Hatchery Dr. over Roaring River

FairPosted for load

Linn County, Oregon · 001 MI SW CR 838 · Structure no. 12877 064800680

Built
1952
73 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
360
2021 count
Owner
County
County Highway Agency

About this bridge

Fish Hatchery Dr. over Roaring River is a steel stringer/multi-beam or girder carrying Fish Hatchery Dr. over Roaring River in Linn County, Oregon. It was built in 1952, so it is 73 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. Its operating status is: posted for load restriction.

It carries about 360 vehicles a day, roughly 3% of them trucks, projected to reach 515 by 2041. The structure is 74 ft (22.6 m) long and 23 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

Location

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CarriesFish Hatchery Dr.
CrossesRoaring River
Location001 MI SW CR 838
RouteCounty Highway C0648
CountyLinn County
StateOregon
Coordinates44.63065, -122.74002
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span56 ft (17.1 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2021)
Projected traffic515 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$379,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fish Hatchery Dr. over Roaring River built?

It was built in 1952, making it 73 years old in 2025.

What condition is Fish Hatchery Dr. over Roaring River 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 July 2023.

How much traffic does Fish Hatchery Dr. over Roaring River carry?

About 360 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Fish Hatchery Dr. over Roaring River?

The structure is 74 ft (22.6 m) long with a longest span of 56 ft (17.1 m) and a deck 23 ft wide.

Who owns Fish Hatchery Dr. over Roaring River?

It is owned by the County Highway Agency.