US Bridges

Murphy Creek Road over Murphy Creek

Fair

Josephine County, Oregon · At End of Maintenance · Structure no. 381015381000337

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
38 ft
1 main span
Daily traffic
201
2020 count
Owner
County
County Highway Agency

About this bridge

Murphy Creek Road over Murphy Creek is a wood or timber stringer/multi-beam or girder carrying Murphy Creek Road over Murphy Creek in Josephine County, Oregon. It was built in 1965, so it is 60 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 201 vehicles a day, roughly 10% of them trucks, projected to reach 236 by 2025. The structure is 38 ft (11.6 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMurphy Creek Road
CrossesMurphy Creek
LocationAt End of Maintenance
RouteCounty Highway C3810
StateOregon
Coordinates42.30147, -123.36991
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 rating34.3 US tons
Inventory rating26.5 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic201 (2020)
Projected traffic236 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 Murphy Creek Road over Murphy Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Murphy Creek Road over Murphy 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 Murphy Creek Road over Murphy Creek carry?

About 201 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Murphy Creek Road over Murphy Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns Murphy Creek Road over Murphy Creek?

It is owned by the County Highway Agency.