US Bridges

US 30 (hwy 066) over Sand Creek

Fair

Baker County, Oregon · 7.0 Mi. S. Union Co. Line · Structure no. 02786A066 03982

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
2,297
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 (hwy 066) over Sand Creek is a prestressed concrete slab carrying US 30 (hwy 066) over Sand Creek in Baker County, Oregon. It was built in 1962, so it is 63 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 2,297 vehicles a day, roughly 19% of them trucks, projected to reach 2,400 by 2042. The structure is 25 ft (7.6 m) long and 36 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesUS 30 (hwy 066)
CrossesSand Creek
Location7.0 Mi. S. Union Co. Line
RouteU.S. Route 30
StateOregon
Coordinates44.92257, -117.94667
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,297 (2022)
Projected traffic2,400 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

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 30 (hwy 066) over Sand Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 30 (hwy 066) over Sand 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 2023.

How much traffic does US 30 (hwy 066) over Sand Creek carry?

About 2,297 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is US 30 (hwy 066) over Sand Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.

Who owns US 30 (hwy 066) over Sand Creek?

It is owned by the State Highway Agency.