US Bridges

Or 31 (hwy 019) over Murdock Creek

Fair

Lake County, Oregon · 034 MI S Oshd Maint Sta · Structure no. 03909A019 05074

Built
1986
39 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
486
2022 count
Owner
State
State Highway Agency

About this bridge

Or 31 (hwy 019) over Murdock Creek is a prestressed concrete slab carrying Or 31 (hwy 019) over Murdock Creek in Lake County, Oregon. It was built in 1986, so it is 39 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 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 486 vehicles a day, roughly 27% of them trucks, projected to reach 500 by 2042. The structure is 35 ft (10.7 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesOr 31 (hwy 019)
CrossesMurdock Creek
Location034 MI S Oshd Maint Sta
RouteState Highway 31
CountyLake County
StateOregon
Coordinates43.12793, -120.98291
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic486 (2022)
Projected traffic500 by 2042
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 31 (hwy 019) over Murdock Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Or 31 (hwy 019) over Murdock 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 January 2025.

How much traffic does Or 31 (hwy 019) over Murdock Creek carry?

About 486 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is Or 31 (hwy 019) over Murdock Creek?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns Or 31 (hwy 019) over Murdock Creek?

It is owned by the State Highway Agency.