US Bridges

US 97 (hwy 042) over Spanish Hollow Creek

Fair

Sherman County, Oregon · 033 MI S Biggs JCT · Structure no. 08896 042 00325

Built
1963
62 years old, rebuilt 2011
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
332 ft
5 main spans
Daily traffic
3,651
2022 count
Owner
State
State Highway Agency

About this bridge

US 97 (hwy 042) over Spanish Hollow Creek is a prestressed concrete stringer/multi-beam or girder carrying US 97 (hwy 042) over Spanish Hollow Creek in Sherman County, Oregon. It was built in 1963 and reconstructed in 2011, 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 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 3,651 vehicles a day, roughly 45% of them trucks, projected to reach 3,800 by 2042. The structure is 332 ft (101.2 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesUS 97 (hwy 042)
CrossesSpanish Hollow Creek
Location033 MI S Biggs JCT
RouteU.S. Route 97
CountySherman County
StateOregon
Coordinates45.64465, -120.78827
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length332 ft (101.2 m)
Longest span76 ft (23.2 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,651 (2022)
Projected traffic3,800 by 2042
Trucks45%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2011.

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

About 3,651 vehicles per day (2022 count), of which roughly 45% are trucks.

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

The structure is 332 ft (101.2 m) long with a longest span of 76 ft (23.2 m) and a deck 35 ft wide.

Who owns US 97 (hwy 042) over Spanish Hollow Creek?

It is owned by the State Highway Agency.