US Bridges

Ave G over Necanicum Rv

Fair

Clatsop County, Oregon · 017 MI W FAP 2 · Structure no. 07525A000G00000

Built
1952
73 years old, rebuilt 1986
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
211 ft
7 main spans
Daily traffic
4,501
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ave G over Necanicum Rv is a concrete tee beam carrying Ave G over Necanicum Rv in Clatsop County, Oregon. It was built in 1952 and reconstructed in 1986, so it is 73 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 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 4,501 vehicles a day, roughly 10% of them trucks, projected to reach 6,832 by 2025. The structure is 211 ft (64.3 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesAve G
CrossesNecanicum Rv
Location017 MI W FAP 2
RouteCity Street C0000
CountyClatsop County
StateOregon
Coordinates45.98942, -123.92559
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length211 ft (64.3 m)
Longest span30 ft (9.1 m)
Deck width36 ft (11 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,501 (2020)
Projected traffic6,832 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ave G over Necanicum Rv built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1986.

What condition is Ave G over Necanicum Rv 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 April 2023.

How much traffic does Ave G over Necanicum Rv carry?

About 4,501 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Ave G over Necanicum Rv?

The structure is 211 ft (64.3 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns Ave G over Necanicum Rv?

It is owned by the City or Municipal Highway Agency.