US Bridges

W Broadway over Necanicum Rv

Poor

Clatsop County, Oregon · 0.25 MI W. FAP 2 · Structure no. 07C11 000 00000

Built
1924
101 years old
Condition
Poor
inspected April 2023
Type
Arch - Deck
Concrete Continuous
Length
152 ft
3 main spans
Daily traffic
7,315
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Broadway over Necanicum Rv is a concrete continuous arch - deck carrying W Broadway over Necanicum Rv in Clatsop County, Oregon. It was built in 1924, so it is 101 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,315 vehicles a day, roughly 10% of them trucks, projected to reach 13,668 by 2025. The structure is 152 ft (46.3 m) long and 53 ft wide.

CarriesW Broadway
CrossesNecanicum Rv
Location0.25 MI W. FAP 2
RouteCity Street C0000
StateOregon
Coordinates45.99315, -123.92424
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span43 ft (13.1 m)
Deck width53 ft (16.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,315 (2020)
Projected traffic13,668 by 2025
Trucks10%
Lanes on structure1
Traffic directionOne-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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$857,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W Broadway over Necanicum Rv built?

It was built in 1924, making it 101 years old in 2025.

What condition is W Broadway over Necanicum Rv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does W Broadway over Necanicum Rv carry?

About 7,315 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is W Broadway over Necanicum Rv?

The structure is 152 ft (46.3 m) long with a longest span of 43 ft (13.1 m) and a deck 53 ft wide.

Who owns W Broadway over Necanicum Rv?

It is owned by the City or Municipal Highway Agency.