US Bridges

Bolhken Drive over Burkhart Creek

Good

Linn County, Oregon · 024 MI W ST HWY 20 · Structure no. 21471 065800235

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
309
2021 count
Owner
County
County Highway Agency

About this bridge

Bolhken Drive over Burkhart Creek is a prestressed concrete slab carrying Bolhken Drive over Burkhart Creek in Linn County, Oregon. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 309 vehicles a day, roughly 10% of them trucks, projected to reach 433 by 2041. The structure is 37 ft (11.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBolhken Drive
CrossesBurkhart Creek
Location024 MI W ST HWY 20
RouteCounty Highway C0658
StateOregon
Coordinates44.59684, -122.97158
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable 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
DeckOther
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic309 (2021)
Projected traffic433 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Bolhken Drive over Burkhart Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Bolhken Drive over Burkhart 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 June 2023.

How much traffic does Bolhken Drive over Burkhart Creek carry?

About 309 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Bolhken Drive over Burkhart Creek?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.

Who owns Bolhken Drive over Burkhart Creek?

It is owned by the County Highway Agency.