US Bridges

Fish Hatchery Road over Slate Creek

Fair

Josephine County, Oregon · At Wilderville · Structure no. 33C08 390000657

Built
1956
69 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
128 ft
4 main spans
Daily traffic
1,720
2020 count
Owner
County
County Highway Agency

About this bridge

Fish Hatchery Road over Slate Creek is a concrete continuous tee beam carrying Fish Hatchery Road over Slate Creek in Josephine 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 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 1,720 vehicles a day, roughly 10% of them trucks, projected to reach 2,010 by 2025. The structure is 128 ft (39 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFish Hatchery Road
CrossesSlate Creek
LocationAt Wilderville
RouteCounty Highway A3230
CountyJosephine County
StateOregon
Coordinates42.38243, -123.46652
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
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 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 rating50 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length128 ft (39 m)
Longest span39 ft (11.9 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,720 (2020)
Projected traffic2,010 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 Fish Hatchery Road over Slate Creek built?

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

What condition is Fish Hatchery Road over Slate 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 Road over Slate Creek carry?

About 1,720 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Fish Hatchery Road over Slate Creek?

The structure is 128 ft (39 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.

Who owns Fish Hatchery Road over Slate Creek?

It is owned by the County Highway Agency.