US Bridges

Fishhawk Creek RD over Fishhawk Creek

Good

Columbia County, Oregon · 070 MI N Birkenfeld · Structure no. 18761 303400625

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
70 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 2000, so it is 25 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 70 ft (21.3 m) long and 16 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
Coordinates46.04625, -123.33363
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2020)
Projected traffic57 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 Fishhawk Creek RD over Fishhawk Creek built?

It was built in 2000, making it 25 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 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 16 ft wide.

Who owns Fishhawk Creek RD over Fishhawk Creek?

It is owned by the County Highway Agency.