US Bridges

Public Road over Mckenzie River

FairPosted for load

Lane County, Oregon · 3.0 MI W of Mckenzie Br · Structure no. 21933 000000003

Built
2012
13 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
109
2020 count
Owner
Local
Other Local Agency

About this bridge

Public Road over Mckenzie River is a prestressed concrete box beam or girders - multiple carrying Public Road over Mckenzie River in Lane County, Oregon. It was built in 2012, so it is 13 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 109 vehicles a day, roughly 1% of them trucks, projected to reach 124 by 2025. The structure is 114 ft (34.8 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPublic Road
CrossesMckenzie River
Location3.0 MI W of Mckenzie Br
StateOregon
Coordinates44.16843, -122.24022
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length114 ft (34.8 m)
Longest span114 ft (34.8 m)
Deck width16 ft (4.9 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109 (2020)
Projected traffic124 by 2025
Trucks1%
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

OwnerOther Local Agency
Maintained byOther Local 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 Public Road over Mckenzie River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Public Road over Mckenzie River 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 July 2024.

How much traffic does Public Road over Mckenzie River carry?

About 109 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Public Road over Mckenzie River?

The structure is 114 ft (34.8 m) long with a longest span of 114 ft (34.8 m) and a deck 16 ft wide.

Who owns Public Road over Mckenzie River?

It is owned by the Other Local Agency.