US Bridges

Fish Hatchery RD over Crabtree Creek

FairPosted for load

Linn County, Oregon · 075MI E Crabtree · Structure no. 12876 064800677

Built
1939
86 years old, rebuilt 2003
Condition
Fair
inspected August 2023
Type
Truss - Thru
Wood or Timber
Length
168 ft
1 main span
Daily traffic
371
2021 count
Owner
County
County Highway Agency

About this bridge

Fish Hatchery RD over Crabtree Creek is a wood or timber truss - thru carrying Fish Hatchery RD over Crabtree Creek in Linn County, Oregon. It was built in 1939 and reconstructed in 2003, so it is 86 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 other load-capacity restriction.

It carries about 371 vehicles a day, roughly 3% of them trucks, projected to reach 530 by 2041. The structure is 168 ft (51.2 m) long and 20 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesFish Hatchery RD
CrossesCrabtree Creek
Location075MI E Crabtree
RouteCounty Highway C0648
StateOregon
Coordinates44.63033, -122.74079
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating32 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1 (+3 approach)
Design loadH 10
Structure length168 ft (51.2 m)
Longest span105 ft (32 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic371 (2021)
Projected traffic530 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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fish Hatchery RD over Crabtree Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2003.

What condition is Fish Hatchery RD over Crabtree 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 August 2023.

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

About 371 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Fish Hatchery RD over Crabtree Creek?

The structure is 168 ft (51.2 m) long with a longest span of 105 ft (32 m) and a deck 20 ft wide.

Who owns Fish Hatchery RD over Crabtree Creek?

It is owned by the County Highway Agency.