US Bridges

Newport Avenue over Deschutes River

Good

Deschutes County, Oregon · 0062 Mi. West of HWY 97 · Structure no. 20613 000 00000

Built
2006
19 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
140 ft
2 main spans
Daily traffic
20,124
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Newport Avenue over Deschutes River is a prestressed concrete continuous box beam or girders - single or spread carrying Newport Avenue over Deschutes River in Deschutes County, Oregon. It was built in 2006, so it is 19 years old, younger 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 20,124 vehicles a day, roughly 10% of them trucks, projected to reach 22,903 by 2025. The structure is 140 ft (42.7 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNewport Avenue
CrossesDeschutes River
Location0062 Mi. West of HWY 97
RouteCity Street 3340
StateOregon
Coordinates44.06115, -121.31438
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.7 US tons
Inventory rating19 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length140 ft (42.7 m)
Longest span68 ft (20.7 m)
Deck width72 ft (21.9 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,124 (2020)
Projected traffic22,903 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Newport Avenue over Deschutes River built?

It was built in 2006, making it 19 years old in 2025.

What condition is Newport Avenue over Deschutes River 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 February 2023.

How much traffic does Newport Avenue over Deschutes River carry?

About 20,124 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Newport Avenue over Deschutes River?

The structure is 140 ft (42.7 m) long with a longest span of 68 ft (20.7 m) and a deck 72 ft wide.

Who owns Newport Avenue over Deschutes River?

It is owned by the City or Municipal Highway Agency.