US Bridges

Blowout Road over K Creek

Good

Linn County, Oregon · No Data Entered · Structure no. 061804000003142

Built
2002
23 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Blowout Road over K Creek is a prestressed concrete stringer/multi-beam or girder carrying Blowout Road over K Creek in Linn County, Oregon. It was built in 2002, so it is 23 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 93 ft (28.4 m) long and 22 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesBlowout Road
CrossesK Creek
LocationNo Data Entered
RouteFederal Lands Road 10000
StateOregon
Coordinates44.66296, -122.13001
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating67.9 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length93 ft (28.4 m)
Longest span90 ft (27.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Blowout Road over K Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Blowout Road over K Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2021.

How much traffic does Blowout Road over K Creek carry?

About 50 vehicles per day (latest count).

How long is Blowout Road over K Creek?

The structure is 93 ft (28.4 m) long with a longest span of 90 ft (27.4 m) and a deck 22 ft wide.

Who owns Blowout Road over K Creek?

It is owned by the U.S. Forest Service.