US Bridges

Elkhead Road #50 over Oldham Creek

Poor

Douglas County, Oregon · 4.0 MI E of Oakland · Structure no. 19C068005000008

Built
1965
60 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
3 main spans
Daily traffic
551
2020 count
Owner
County
County Highway Agency

About this bridge

Elkhead Road #50 over Oldham Creek is a steel stringer/multi-beam or girder carrying Elkhead Road #50 over Oldham Creek in Douglas 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 551 vehicles a day, roughly 10% of them trucks, projected to reach 621 by 2025. The structure is 121 ft (36.9 m) long and 26 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesElkhead Road #50
CrossesOldham Creek
Location4.0 MI E of Oakland
RouteCounty Highway C0050
StateOregon
Coordinates43.44929, -123.23162
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment7: Better than present minimum criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length121 ft (36.9 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic551 (2020)
Projected traffic621 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 Elkhead Road #50 over Oldham Creek built?

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

What condition is Elkhead Road #50 over Oldham Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Elkhead Road #50 over Oldham Creek carry?

About 551 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Elkhead Road #50 over Oldham Creek?

The structure is 121 ft (36.9 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Elkhead Road #50 over Oldham Creek?

It is owned by the County Highway Agency.