US Bridges

Fishhawk Creek RD over Fishhawk Creek

Good

Columbia County, Oregon · 070 MI N Birkenfeld · Structure no. 21562 303400625

Built
2014
11 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
52
2020 count
Owner
County
County Highway Agency

About this bridge

Fishhawk Creek RD over Fishhawk Creek is a prestressed concrete slab carrying Fishhawk Creek RD over Fishhawk Creek in Columbia County, Oregon. It was built in 2014, so it is 11 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 52 vehicles a day, projected to reach 57 by 2025. The structure is 73 ft (22.3 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFishhawk Creek RD
CrossesFishhawk Creek
Location070 MI N Birkenfeld
RouteCounty Highway C3034
StateOregon
Coordinates46.035, -123.35556
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.3 US tons
Inventory rating61.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span73 ft (22.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2020)
Projected traffic57 by 2025
Trucks0%
Lanes on structure2
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 Fishhawk Creek RD over Fishhawk Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Fishhawk Creek 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 May 2023.

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

About 52 vehicles per day (2020 count).

How long is Fishhawk Creek RD over Fishhawk Creek?

The structure is 73 ft (22.3 m) long with a longest span of 73 ft (22.3 m) and a deck 32 ft wide.

Who owns Fishhawk Creek RD over Fishhawk Creek?

It is owned by the County Highway Agency.