US Bridges

12th Ave E over Neawanna Creek

Good

Clatsop County, Oregon · 0.2 MI E of US 101 · Structure no. 19263 110300010

Built
2001
24 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
211 ft
3 main spans
Daily traffic
4,501
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

12th Ave E over Neawanna Creek is a prestressed concrete slab carrying 12th Ave E over Neawanna Creek in Clatsop County, Oregon. It was built in 2001, so it is 24 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 4,501 vehicles a day, roughly 10% of them trucks, projected to reach 7,972 by 2025. The structure is 211 ft (64.3 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries12th Ave E
CrossesNeawanna Creek
Location0.2 MI E of US 101
RouteCity Street C0000
CountyClatsop County
StateOregon
Coordinates46.00153, -123.91467
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating63.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length211 ft (64.3 m)
Longest span70 ft (21.3 m)
Deck width46 ft (14.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,501 (2020)
Projected traffic7,972 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 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 12th Ave E over Neawanna Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is 12th Ave E over Neawanna Creek 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 April 2023.

How much traffic does 12th Ave E over Neawanna Creek carry?

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

How long is 12th Ave E over Neawanna Creek?

The structure is 211 ft (64.3 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns 12th Ave E over Neawanna Creek?

It is owned by the City or Municipal Highway Agency.