US Bridges

Pioch Lane over Parson Creek

Fair

Lane County, Oregon · 018 MI W Marcola · Structure no. 39C171196700012

Built
1976
49 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
64 ft
3 main spans
Daily traffic
151
2020 count
Owner
County
County Highway Agency

About this bridge

Pioch Lane over Parson Creek is a prestressed concrete slab carrying Pioch Lane over Parson Creek in Lane County, Oregon. It was built in 1976, so it is 49 years old, younger 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 5 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 151 vehicles a day, roughly 10% of them trucks, projected to reach 176 by 2025. The structure is 64 ft (19.5 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPioch Lane
CrossesParson Creek
Location018 MI W Marcola
RouteCounty Highway C1967
StateOregon
Coordinates44.18115, -122.88596
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic151 (2020)
Projected traffic176 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Pioch Lane over Parson Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Pioch Lane over Parson 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 2024.

How much traffic does Pioch Lane over Parson Creek carry?

About 151 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Pioch Lane over Parson Creek?

The structure is 64 ft (19.5 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Pioch Lane over Parson Creek?

It is owned by the County Highway Agency.