US Bridges

US 20 (hwy 007) over Sperry Crk

Good

Malheur County, Oregon · 25.7 MI E Harney CO Line · Structure no. 19912 007 20583

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
1,772
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 (hwy 007) over Sperry Crk is a prestressed concrete slab carrying US 20 (hwy 007) over Sperry Crk in Malheur County, Oregon. It was built in 2004, so it is 21 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,772 vehicles a day, roughly 28% of them trucks, projected to reach 1,900 by 2042. The structure is 68 ft (20.8 m) long and 40 ft wide. If it were closed, the detour would be 69 mi (111 km).

CarriesUS 20 (hwy 007)
CrossesSperry Crk
Location25.7 MI E Harney CO Line
RouteU.S. Route 20
StateOregon
Coordinates43.7898, -117.8498
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length68 ft (20.8 m)
Longest span67 ft (20.5 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,772 (2022)
Projected traffic1,900 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed69 mi (111 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 20 (hwy 007) over Sperry Crk built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 20 (hwy 007) over Sperry Crk 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 June 2023.

How much traffic does US 20 (hwy 007) over Sperry Crk carry?

About 1,772 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is US 20 (hwy 007) over Sperry Crk?

The structure is 68 ft (20.8 m) long with a longest span of 67 ft (20.5 m) and a deck 40 ft wide.

Who owns US 20 (hwy 007) over Sperry Crk?

It is owned by the State Highway Agency.