US Bridges

Mcgowan Road over State Route 65

Good

Yuba County, California · 03-YUB-065-R8.03 · Structure no. 16 0047

Built
1971
54 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
297 ft
2 main spans
Daily traffic
8,000
2010 count
Owner
State
State Highway Agency

About this bridge

Mcgowan Road over State Route 65 is a prestressed concrete continuous box beam or girders - multiple carrying Mcgowan Road over State Route 65 in Yuba County, California. It was built in 1971, so it is 54 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 8,000 vehicles a day, roughly 10% of them trucks, projected to reach 13,711 by 2041. The structure is 297 ft (90.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMcgowan Road
CrossesState Route 65
Location03-YUB-065-R8.03
RouteCounty Highway 0
Coordinates39.07746, -121.52827
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length297 ft (90.4 m)
Longest span148 ft (45 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2010)
Projected traffic13,711 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mcgowan Road over State Route 65 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Mcgowan Road over State Route 65 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 September 2023.

How much traffic does Mcgowan Road over State Route 65 carry?

About 8,000 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Mcgowan Road over State Route 65?

The structure is 297 ft (90.4 m) long with a longest span of 148 ft (45 m) and a deck 52 ft wide.

Who owns Mcgowan Road over State Route 65?

It is owned by the State Highway Agency.