US Bridges

US 30 (hwy 066) over UPRR (n Powder)

Good

Union County, Oregon · 0.4 Mi. NW Baker Co. Line · Structure no. 09500 066 03252

Built
1972
53 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
3 main spans
Daily traffic
872
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 (hwy 066) over UPRR (n Powder) is a prestressed concrete stringer/multi-beam or girder carrying US 30 (hwy 066) over UPRR (n Powder) in Union County, Oregon. It was built in 1972, so it is 53 years old, older 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 872 vehicles a day, roughly 25% of them trucks, projected to reach 880 by 2042. The structure is 205 ft (62.5 m) long and 43 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 30 (hwy 066)
CrossesUPRR (n Powder)
Location0.4 Mi. NW Baker Co. Line
RouteU.S. Route 30
StateOregon
Coordinates45.02289, -117.92585
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span75 ft (22.9 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic872 (2022)
Projected traffic880 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 30 (hwy 066) over UPRR (n Powder) built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 30 (hwy 066) over UPRR (n Powder) 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 30 (hwy 066) over UPRR (n Powder) carry?

About 872 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is US 30 (hwy 066) over UPRR (n Powder)?

The structure is 205 ft (62.5 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.

Who owns US 30 (hwy 066) over UPRR (n Powder)?

It is owned by the State Highway Agency.