US Bridges

W Fork Trail CR RD over West Fork Trail Creek

Fair

Jackson County, Oregon · 1.23 Milepost · Structure no. 29C176820 00123

Built
1961
64 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
56 ft
1 main span
Daily traffic
85
2020 count
Owner
County
County Highway Agency

About this bridge

W Fork Trail CR RD over West Fork Trail Creek is a wood or timber stringer/multi-beam or girder carrying W Fork Trail CR RD over West Fork Trail Creek in Jackson County, Oregon. It was built in 1961, so it is 64 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 85 vehicles a day, roughly 10% of them trucks, projected to reach 99 by 2025. The structure is 56 ft (17.1 m) long and 22 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesW Fork Trail CR RD
CrossesWest Fork Trail Creek
Location1.23 Milepost
RouteCounty Highway C0820
StateOregon
Coordinates42.68355, -122.85881
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2020)
Projected traffic99 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 W Fork Trail CR RD over West Fork Trail Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is W Fork Trail CR RD over West Fork Trail 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 June 2023.

How much traffic does W Fork Trail CR RD over West Fork Trail Creek carry?

About 85 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is W Fork Trail CR RD over West Fork Trail Creek?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 22 ft wide.

Who owns W Fork Trail CR RD over West Fork Trail Creek?

It is owned by the County Highway Agency.