US Bridges

County RD 15 over Bilger Creek

FairPosted for load

Douglas County, Oregon · 1.5 MI NE of Myrtle Creek · Structure no. 19C030001500155

Built
1922
103 years old, rebuilt 1968
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
2,358
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 15 over Bilger Creek is a steel stringer/multi-beam or girder carrying County RD 15 over Bilger Creek in Douglas County, Oregon. It was built in 1922 and reconstructed in 1968, so it is 103 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 2,358 vehicles a day, roughly 7% of them trucks, projected to reach 2,668 by 2025. The structure is 25 ft (7.6 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCounty RD 15
CrossesBilger Creek
Location1.5 MI NE of Myrtle Creek
RouteCounty Highway 0A383
CountyDouglas County
StateOregon
Coordinates43.04256, -123.25801
Functional classRural Major 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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.5 US tons
Inventory rating8.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width40 ft (12.2 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,358 (2020)
Projected traffic2,668 by 2025
Trucks7%
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 County RD 15 over Bilger Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1968.

What condition is County RD 15 over Bilger 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 2024.

How much traffic does County RD 15 over Bilger Creek carry?

About 2,358 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is County RD 15 over Bilger Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 40 ft wide.

Who owns County RD 15 over Bilger Creek?

It is owned by the County Highway Agency.