US Bridges

No.Myrtle RD CR#15 over North Myrtle Creek

Fair

Douglas County, Oregon · 12.2 MI E of Myrtle Creek · Structure no. 19C034001501223

Built
1956
69 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
88
2020 count
Owner
County
County Highway Agency

About this bridge

No.Myrtle RD CR#15 over North Myrtle Creek is a steel stringer/multi-beam or girder carrying No.Myrtle RD CR#15 over North Myrtle Creek in Douglas County, Oregon. It was built in 1956, so it is 69 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.

It carries about 88 vehicles a day, projected to reach 98 by 2025. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesNo.Myrtle RD CR#15
CrossesNorth Myrtle Creek
Location12.2 MI E of Myrtle Creek
RouteCounty Highway C0015
CountyDouglas County
StateOregon
Coordinates43.12982, -123.12181
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2020)
Projected traffic98 by 2025
Trucks0%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was No.Myrtle RD CR#15 over North Myrtle Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is No.Myrtle RD CR#15 over North 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 June 2023.

How much traffic does No.Myrtle RD CR#15 over North Myrtle Creek carry?

About 88 vehicles per day (2020 count).

How long is No.Myrtle RD CR#15 over North Myrtle Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns No.Myrtle RD CR#15 over North Myrtle Creek?

It is owned by the County Highway Agency.