US Bridges

Or 206 (hwy 300) over Rock Creek

Good

Gilliam County, Oregon · 15 MI E Condon · Structure no. 24137 300 05167

Built
2024
1 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
59
2022 count
Owner
State
State Highway Agency

About this bridge

Or 206 (hwy 300) over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying Or 206 (hwy 300) over Rock Creek in Gilliam County, Oregon. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 59 vehicles a day, roughly 15% of them trucks, projected to reach 70 by 2042. The structure is 124 ft (37.7 m) long and 33 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesOr 206 (hwy 300)
CrossesRock Creek
Location15 MI E Condon
RouteState Highway 206
StateOregon
Coordinates45.26576, -120.02738
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length124 ft (37.7 m)
Longest span124 ft (37.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2022)
Projected traffic70 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 206 (hwy 300) over Rock Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Or 206 (hwy 300) over Rock 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 February 2025.

How much traffic does Or 206 (hwy 300) over Rock Creek carry?

About 59 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Or 206 (hwy 300) over Rock Creek?

The structure is 124 ft (37.7 m) long with a longest span of 124 ft (37.7 m) and a deck 33 ft wide.

Who owns Or 206 (hwy 300) over Rock Creek?

It is owned by the State Highway Agency.