US Bridges

HWY 100 over Hood River & UPRR

Fair

Hood River County, Oregon · At Ecl Hood River · Structure no. 00200A026 10236

Built
1982
43 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
678 ft
5 main spans
Daily traffic
7,161
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 100 over Hood River & UPRR is a prestressed concrete continuous box beam or girders - multiple carrying HWY 100 over Hood River & UPRR in Hood River County, Oregon. It was built in 1982, so it is 43 years old, younger 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 7,161 vehicles a day, roughly 1% of them trucks, projected to reach 7,300 by 2042. The structure is 678 ft (206.7 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY 100
CrossesHood River & UPRR
LocationAt Ecl Hood River
RouteU.S. Route 35
StateOregon
Coordinates45.70795, -121.50559
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+3 approach)
Design loadHS 20
Structure length678 ft (206.7 m)
Longest span140 ft (42.7 m)
Deck width48 ft (14.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,161 (2022)
Projected traffic7,300 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.9 mi (3 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was HWY 100 over Hood River & UPRR built?

It was built in 1982, making it 43 years old in 2025.

What condition is HWY 100 over Hood River & UPRR 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 HWY 100 over Hood River & UPRR carry?

About 7,161 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is HWY 100 over Hood River & UPRR?

The structure is 678 ft (206.7 m) long with a longest span of 140 ft (42.7 m) and a deck 48 ft wide.

Who owns HWY 100 over Hood River & UPRR?

It is owned by the State Highway Agency.