US Bridges

Sjoli RD over Fishhawk Creek

Good

Clatsop County, Oregon · 015 MI NW of Birkenfeld · Structure no. 07C08 151600018

Built
1990
35 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
28
2020 count
Owner
County
County Highway Agency

About this bridge

Sjoli RD over Fishhawk Creek is a prestressed concrete slab carrying Sjoli RD over Fishhawk Creek in Clatsop County, Oregon. It was built in 1990, so it is 35 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 28 vehicles a day, projected to reach 33 by 2025. The structure is 58 ft (17.7 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSjoli RD
CrossesFishhawk Creek
Location015 MI NW of Birkenfeld
RouteCounty Highway C1516
StateOregon
Coordinates46.01339, -123.36416
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span57 ft (17.4 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2020)
Projected traffic33 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Sjoli RD over Fishhawk Creek built?

It was built in 1990, making it 35 years old in 2025.

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

About 28 vehicles per day (2020 count).

How long is Sjoli RD over Fishhawk Creek?

The structure is 58 ft (17.7 m) long with a longest span of 57 ft (17.4 m) and a deck 16 ft wide.

Who owns Sjoli RD over Fishhawk Creek?

It is owned by the County Highway Agency.