US Bridges

Blaine Road over Nestucca River

Fair

Tillamook County, Oregon · 1.3 Miles East of Beaver · Structure no. 017433858 00128

Built
1994
31 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
282 ft
2 main spans
Daily traffic
2,186
2020 count
Owner
County
County Highway Agency

About this bridge

Blaine Road over Nestucca River is a prestressed concrete stringer/multi-beam or girder carrying Blaine Road over Nestucca River in Tillamook County, Oregon. It was built in 1994, so it is 31 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 2,186 vehicles a day, roughly 20% of them trucks, projected to reach 2,611 by 2025. The structure is 282 ft (86 m) long and 37 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesBlaine Road
CrossesNestucca River
Location1.3 Miles East of Beaver
RouteCounty Highway A0722
CountyTillamook County
StateOregon
Coordinates45.27674, -123.80091
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length282 ft (86 m)
Longest span133 ft (40.5 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,186 (2020)
Projected traffic2,611 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Blaine Road over Nestucca River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Blaine Road over Nestucca 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 June 2023.

How much traffic does Blaine Road over Nestucca River carry?

About 2,186 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Blaine Road over Nestucca River?

The structure is 282 ft (86 m) long with a longest span of 133 ft (40.5 m) and a deck 37 ft wide.

Who owns Blaine Road over Nestucca River?

It is owned by the County Highway Agency.