US Bridges

Mc Courtney Road over Coon Creek

Good

Placer County, California · 0.8 MI S. of Riosa Road · Structure no. 19C0219

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
1,861
2006 count
Owner
County
County Highway Agency

About this bridge

Mc Courtney Road over Coon Creek is a prestressed concrete box beam or girders - multiple carrying Mc Courtney Road over Coon Creek in Placer County, California. It was built in 1998, so it is 27 years old, younger than the California average of 54.8 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 1,861 vehicles a day, roughly 1% of them trucks, projected to reach 1,526 by 2041. The structure is 103 ft (31.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMc Courtney Road
CrossesCoon Creek
Location0.8 MI S. of Riosa Road
RouteCounty Highway 0
Coordinates38.97739, -121.27884
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating67.1 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length103 ft (31.3 m)
Longest span100 ft (30.5 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,861 (2006)
Projected traffic1,526 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Mc Courtney Road over Coon Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Mc Courtney Road over Coon 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 April 2023.

How much traffic does Mc Courtney Road over Coon Creek carry?

About 1,861 vehicles per day (2006 count), of which roughly 1% are trucks.

How long is Mc Courtney Road over Coon Creek?

The structure is 103 ft (31.3 m) long with a longest span of 100 ft (30.5 m) and a deck 33 ft wide.

Who owns Mc Courtney Road over Coon Creek?

It is owned by the County Highway Agency.