US Bridges

Mckinney Creek RD over Mckinney Creek

Fair

Placer County, California · 0.1 MI NW Mckny Rubcn SP · Structure no. 19C0101

Built
1950
75 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
46 ft
3 main spans
Daily traffic
1,409
1998 count
Owner
County
County Highway Agency

About this bridge

Mckinney Creek RD over Mckinney Creek is a wood or timber stringer/multi-beam or girder carrying Mckinney Creek RD over Mckinney Creek in Placer County, California. It was built in 1950, so it is 75 years old, older than the California average of 54.8 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.

It carries about 1,409 vehicles a day, roughly 1% of them trucks, projected to reach 1,664 by 2041. The structure is 46 ft (14 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMckinney Creek RD
CrossesMckinney Creek
Location0.1 MI NW Mckny Rubcn SP
RouteCounty Highway 0
CountyPlacer County
StateCalifornia
Coordinates39.06572, -120.14664
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
Deck7 GoodSome minor problems.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length46 ft (14 m)
Longest span16 ft (4.9 m)
Deck width29 ft (8.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,409 (1998)
Projected traffic1,664 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Mckinney Creek RD over Mckinney Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Mckinney Creek RD over Mckinney Creek 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 2023.

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

About 1,409 vehicles per day (1998 count), of which roughly 1% are trucks.

How long is Mckinney Creek RD over Mckinney Creek?

The structure is 46 ft (14 m) long with a longest span of 16 ft (4.9 m) and a deck 29 ft wide.

Who owns Mckinney Creek RD over Mckinney Creek?

It is owned by the County Highway Agency.