US Bridges

US 730 (hwy 2) over Umatilla River(umatilla)

FairPosted for load

Umatilla County, Oregon · In City of Umatilla · Structure no. 00624A002 18260

Built
1925
100 years old, rebuilt 1950
Condition
Fair
inspected February 2024
Type
Arch - Deck
Concrete
Length
431 ft
3 main spans
Daily traffic
8,349
2022 count
Owner
State
State Highway Agency

About this bridge

US 730 (hwy 2) over Umatilla River(umatilla) is a concrete arch - deck carrying US 730 (hwy 2) over Umatilla River(umatilla) in Umatilla County, Oregon. It was built in 1925 and reconstructed in 1950, so it is 100 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. Its operating status is: posted for other load-capacity restriction.

It carries about 8,349 vehicles a day, roughly 12% of them trucks, projected to reach 9,300 by 2042. The structure is 431 ft (131.5 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 730 (hwy 2)
CrossesUmatilla River(umatilla)
LocationIn City of Umatilla
RouteU.S. Route 730
CountyUmatilla County
StateOregon
Coordinates45.91569, -119.35242
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating19.3 US tons
Inventory rating15 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadH 15
Structure length431 ft (131.5 m)
Longest span110 ft (33.5 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,349 (2022)
Projected traffic9,300 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 730 (hwy 2) over Umatilla River(umatilla) built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1950.

What condition is US 730 (hwy 2) over Umatilla River(umatilla) 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 February 2024.

How much traffic does US 730 (hwy 2) over Umatilla River(umatilla) carry?

About 8,349 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 730 (hwy 2) over Umatilla River(umatilla)?

The structure is 431 ft (131.5 m) long with a longest span of 110 ft (33.5 m) and a deck 39 ft wide.

Who owns US 730 (hwy 2) over Umatilla River(umatilla)?

It is owned by the State Highway Agency.