US Bridges

US 97 (hwy 042) over Spanish Hollow Creek

Fair

Sherman County, Oregon · 061 MI S of Bigg JCT · Structure no. 09997 042 00620

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
132 ft
3 main spans
Daily traffic
3,543
2022 count
Owner
State
State Highway Agency

About this bridge

US 97 (hwy 042) over Spanish Hollow Creek is a prestressed concrete slab carrying US 97 (hwy 042) over Spanish Hollow Creek in Sherman County, Oregon. It was built in 1973, so it is 52 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 3,543 vehicles a day, roughly 45% of them trucks, projected to reach 3,600 by 2042. The structure is 132 ft (40.2 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 97 (hwy 042)
CrossesSpanish Hollow Creek
Location061 MI S of Bigg JCT
RouteU.S. Route 97
StateOregon
Coordinates45.62179, -120.74301
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span48 ft (14.6 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,543 (2022)
Projected traffic3,600 by 2042
Trucks45%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1973, making it 52 years old in 2025.

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 June 2024.

How much traffic does US 97 (hwy 042) over Spanish Hollow Creek carry?

About 3,543 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 132 ft (40.2 m) long with a longest span of 48 ft (14.6 m) and a deck 46 ft wide.

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

It is owned by the State Highway Agency.