US Bridges

N. Wolkau Rd. over N Beaver CR

Fair

Lincoln County, Oregon · 044 M NE of Sealrock · Structure no. 23948 61901 013

Built
2020
5 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
75
2018 count
Owner
County
County Highway Agency

About this bridge

N. Wolkau Rd. over N Beaver CR is a prestressed concrete slab carrying N. Wolkau Rd. over N Beaver CR in Lincoln County, Oregon. It was built in 2020, so it is 5 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 75 vehicles a day, projected to reach 109 by 2038. The structure is 65 ft (19.8 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesN. Wolkau Rd.
CrossesN Beaver CR
Location044 M NE of Sealrock
RouteCounty Highway 0
CountyLincoln County
StateOregon
Coordinates44.529, -124.00824
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2018)
Projected traffic109 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Wolkau Rd. over N Beaver CR built?

It was built in 2020, making it 5 years old in 2025.

What condition is N. Wolkau Rd. over N Beaver CR 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 September 2024.

How much traffic does N. Wolkau Rd. over N Beaver CR carry?

About 75 vehicles per day (2018 count).

How long is N. Wolkau Rd. over N Beaver CR?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 20 ft wide.

Who owns N. Wolkau Rd. over N Beaver CR?

It is owned by the County Highway Agency.