US Bridges

Big Butter CR Road over North Fork Butter Creek

FairPosted for load

Morrow County, Oregon · 12.0 MI SE of HWY 207 · Structure no. 49C27 074600000

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
71 ft
3 main spans
Daily traffic
54
2020 count
Owner
County
County Highway Agency

About this bridge

Big Butter CR Road over North Fork Butter Creek is a wood or timber stringer/multi-beam or girder carrying Big Butter CR Road over North Fork Butter Creek in Morrow County, Oregon. It was built in 1964, so it is 61 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 6 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 54 vehicles a day, roughly 15% of them trucks, projected to reach 64 by 2025. The structure is 71 ft (21.6 m) long and 20 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesBig Butter CR Road
CrossesNorth Fork Butter Creek
Location12.0 MI SE of HWY 207
RouteCounty Highway 0
StateOregon
Coordinates45.543, -119.2659
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2020)
Projected traffic64 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Butter CR Road over North Fork Butter Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Big Butter CR Road over North Fork Butter 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 August 2024.

How much traffic does Big Butter CR Road over North Fork Butter Creek carry?

About 54 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Big Butter CR Road over North Fork Butter Creek?

The structure is 71 ft (21.6 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Big Butter CR Road over North Fork Butter Creek?

It is owned by the County Highway Agency.