US Bridges

US 97 (hwy 042) over Slaughterhouse Creek

Fair

Sherman County, Oregon · 015 MI S Moro · Structure no. 00817 042 01962

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
30 ft
2 main spans
Daily traffic
3,745
2022 count
Owner
State
State Highway Agency

About this bridge

US 97 (hwy 042) over Slaughterhouse Creek is a prestressed concrete slab carrying US 97 (hwy 042) over Slaughterhouse Creek in Sherman County, Oregon. It was built in 1961, so it is 64 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.

It carries about 3,745 vehicles a day, roughly 44% of them trucks, projected to reach 4,200 by 2042. The structure is 30 ft (9.1 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesUS 97 (hwy 042)
CrossesSlaughterhouse Creek
Location015 MI S Moro
RouteU.S. Route 97
CountySherman County
StateOregon
Coordinates45.46963, -120.74616
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width42 ft (12.8 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,745 (2022)
Projected traffic4,200 by 2042
Trucks44%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$200,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 (hwy 042) over Slaughterhouse Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 97 (hwy 042) over Slaughterhouse 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 US 97 (hwy 042) over Slaughterhouse Creek carry?

About 3,745 vehicles per day (2022 count), of which roughly 44% are trucks.

How long is US 97 (hwy 042) over Slaughterhouse Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 42 ft wide.

Who owns US 97 (hwy 042) over Slaughterhouse Creek?

It is owned by the State Highway Agency.