US Bridges

8th Ave (eastside) over HWY 8 (eastside)

Fair

Umatilla County, Oregon · 3.9 Mi. S. Wash. St. Line · Structure no. 06979A008 03139

Built
1975
50 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
177 ft
3 main spans
Daily traffic
8,390
2020 count
Owner
State
State Highway Agency

About this bridge

8th Ave (eastside) over HWY 8 (eastside) is a concrete continuous box beam or girders - single or spread carrying 8th Ave (eastside) over HWY 8 (eastside) in Umatilla County, Oregon. It was built in 1975, so it is 50 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 8,390 vehicles a day, roughly 7% of them trucks, projected to reach 8,700 by 2040. The structure is 177 ft (53.9 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries8th Ave (eastside)
CrossesHWY 8 (eastside)
Location3.9 Mi. S. Wash. St. Line
RouteCity Street 11
CountyUmatilla County
StateOregon
Coordinates45.94389, -118.38749
Functional classUrban Minor Arterial

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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span121 ft (36.9 m)
Deck width44 ft (13.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,390 (2020)
Projected traffic8,700 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 8th Ave (eastside) over HWY 8 (eastside) built?

It was built in 1975, making it 50 years old in 2025.

What condition is 8th Ave (eastside) over HWY 8 (eastside) 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 March 2023.

How much traffic does 8th Ave (eastside) over HWY 8 (eastside) carry?

About 8,390 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is 8th Ave (eastside) over HWY 8 (eastside)?

The structure is 177 ft (53.9 m) long with a longest span of 121 ft (36.9 m) and a deck 44 ft wide.

Who owns 8th Ave (eastside) over HWY 8 (eastside)?

It is owned by the State Highway Agency.