US Bridges

Blaine Road over Nestucca River

Fair

Tillamook County, Oregon · 02.5 Miles East Beaver · Structure no. 20276 858 00254

Built
2006
19 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
250 ft
2 main spans
Daily traffic
1,126
2020 count
Owner
County
County Highway Agency

About this bridge

Blaine Road over Nestucca River is a prestressed concrete continuous stringer/multi-beam or girder carrying Blaine Road over Nestucca River in Tillamook 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 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 1,126 vehicles a day, roughly 20% of them trucks, projected to reach 1,321 by 2025. The structure is 250 ft (76.2 m) long and 37 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesBlaine Road
CrossesNestucca River
Location02.5 Miles East Beaver
RouteCounty Highway A0722
StateOregon
Coordinates45.27915, -123.78061
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length250 ft (76.2 m)
Longest span125 ft (38.1 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,126 (2020)
Projected traffic1,321 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 2006, making it 19 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 1,126 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Blaine Road over Nestucca River?

The structure is 250 ft (76.2 m) long with a longest span of 125 ft (38.1 m) and a deck 37 ft wide.

Who owns Blaine Road over Nestucca River?

It is owned by the County Highway Agency.