US Bridges

Fishhawk Falls RD over Fishhawk Creek

Fair

Clatsop County, Oregon · 045 MI NW of Jewell · Structure no. 07C09 151200002

Built
1985
40 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
83
2020 count
Owner
County
County Highway Agency

About this bridge

Fishhawk Falls RD over Fishhawk Creek is a prestressed concrete slab carrying Fishhawk Falls RD over Fishhawk Creek in Clatsop County, Oregon. It was built in 1985, so it is 40 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 83 vehicles a day, roughly 1% of them trucks, projected to reach 97 by 2025. The structure is 56 ft (17.1 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFishhawk Falls RD
CrossesFishhawk Creek
Location045 MI NW of Jewell
RouteCounty Highway C1512
StateOregon
Coordinates45.95868, -123.5853
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.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span55 ft (16.8 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83 (2020)
Projected traffic97 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Falls RD over Fishhawk Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Fishhawk Falls RD over Fishhawk Creek 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 Fishhawk Falls RD over Fishhawk Creek carry?

About 83 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Fishhawk Falls RD over Fishhawk Creek?

The structure is 56 ft (17.1 m) long with a longest span of 55 ft (16.8 m) and a deck 16 ft wide.

Who owns Fishhawk Falls RD over Fishhawk Creek?

It is owned by the County Highway Agency.