US Bridges

County RD 500 over Myrtle Creek

FairPosted for load

Curry County, Oregon · 0.3 MI E HWY 101 · Structure no. 15C15 500 00030

Built
1925
100 years old, rebuilt 1986
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
81 ft
5 main spans
Daily traffic
138
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 500 over Myrtle Creek is a wood or timber stringer/multi-beam or girder carrying County RD 500 over Myrtle Creek in Curry County, Oregon. It was built in 1925 and reconstructed in 1986, so it is 100 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 138 vehicles a day, roughly 5% of them trucks, projected to reach 156 by 2025. The structure is 81 ft (24.7 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty RD 500
CrossesMyrtle Creek
Location0.3 MI E HWY 101
RouteCounty Highway C0000
StateOregon
Coordinates42.6169, -124.3931
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 inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.3 US tons
Inventory rating11.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 15
Structure length81 ft (24.7 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2020)
Projected traffic156 by 2025
Trucks5%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$415,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 500 over Myrtle Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1986.

What condition is County RD 500 over Myrtle 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 July 2024.

How much traffic does County RD 500 over Myrtle Creek carry?

About 138 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County RD 500 over Myrtle Creek?

The structure is 81 ft (24.7 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns County RD 500 over Myrtle Creek?

It is owned by the County Highway Agency.