US Bridges

County RD 427 over E Fork Hood River

Fair

Hood River County, Oregon · 00.52 MI W HWY 35 · Structure no. 09844 427 00055

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
167 ft
3 main spans
Daily traffic
660
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 427 over E Fork Hood River is a concrete continuous slab carrying County RD 427 over E Fork Hood River in Hood River County, Oregon. It was built in 1969, so it is 56 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 5 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 660 vehicles a day, roughly 10% of them trucks, projected to reach 735 by 2025. The structure is 167 ft (50.9 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 427
CrossesE Fork Hood River
Location00.52 MI W HWY 35
RouteCounty Highway 0
StateOregon
Coordinates45.51691, -121.5677
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span66 ft (20.1 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2020)
Projected traffic735 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 427 over E Fork Hood River built?

It was built in 1969, making it 56 years old in 2025.

What condition is County RD 427 over E Fork Hood River 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 September 2024.

How much traffic does County RD 427 over E Fork Hood River carry?

About 660 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 427 over E Fork Hood River?

The structure is 167 ft (50.9 m) long with a longest span of 66 ft (20.1 m) and a deck 38 ft wide.

Who owns County RD 427 over E Fork Hood River?

It is owned by the County Highway Agency.