US Bridges

Fishhawk Creek RD over Nehalem River

Poor

Columbia County, Oregon · 033W JCT HWY 47 & HWY 202 · Structure no. 13668A303400010

Built
1963
62 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
260 ft
1 main span
Daily traffic
451
2020 count
Owner
County
County Highway Agency

About this bridge

Fishhawk Creek RD over Nehalem River is a steel stringer/multi-beam or girder carrying Fishhawk Creek RD over Nehalem River in Columbia County, Oregon. It was built in 1963, so it is 62 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 451 vehicles a day, roughly 10% of them trucks, projected to reach 511 by 2025. The structure is 260 ft (79.2 m) long and 31 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesFishhawk Creek RD
CrossesNehalem River
Location033W JCT HWY 47 & HWY 202
RouteCounty Highway C3034
StateOregon
Coordinates46.00264, -123.32714
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadUnknown
Structure length260 ft (79.2 m)
Longest span131 ft (39.9 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic451 (2020)
Projected traffic511 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Fishhawk Creek RD over Nehalem River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Fishhawk Creek RD over Nehalem River 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 May 2023.

How much traffic does Fishhawk Creek RD over Nehalem River carry?

About 451 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Fishhawk Creek RD over Nehalem River?

The structure is 260 ft (79.2 m) long with a longest span of 131 ft (39.9 m) and a deck 31 ft wide.

Who owns Fishhawk Creek RD over Nehalem River?

It is owned by the County Highway Agency.