US Bridges

County RD 250 over Tenmile Creek

FairPosted for load

Douglas County, Oregon · 1.0 MI NW of Tenmile · Structure no. 19C417025000017

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
3 main spans
Daily traffic
410
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 250 over Tenmile Creek is a steel stringer/multi-beam or girder carrying County RD 250 over Tenmile Creek in Douglas County, Oregon. It was built in 1963, so it is 62 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 410 vehicles a day, roughly 3% of them trucks, projected to reach 465 by 2025. The structure is 92 ft (28 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty RD 250
CrossesTenmile Creek
Location1.0 MI NW of Tenmile
RouteCounty Highway C0250
CountyDouglas County
StateOregon
Coordinates43.09364, -123.57873
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.
Superstructure7 GoodSome minor problems.
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 inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length92 ft (28 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2020)
Projected traffic465 by 2025
Trucks3%
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 250 over Tenmile Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is County RD 250 over Tenmile 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 County RD 250 over Tenmile Creek carry?

About 410 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is County RD 250 over Tenmile Creek?

The structure is 92 ft (28 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns County RD 250 over Tenmile Creek?

It is owned by the County Highway Agency.