US Bridges

Glenshire DR over UP BNSF AMTRAK Truckee R

Good

Nevada County, California · 0.5 MI N Trckee Airprt RD · Structure no. 17C0044

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
417 ft
3 main spans
Daily traffic
5,060
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Glenshire DR over UP BNSF AMTRAK Truckee R is a prestressed concrete continuous box beam or girders - multiple carrying Glenshire DR over UP BNSF AMTRAK Truckee R in Nevada County, California. It was built in 1999, so it is 26 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 5,060 vehicles a day, roughly 10% of them trucks, projected to reach 6,265 by 2042. The structure is 417 ft (127.1 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesGlenshire DR
CrossesUP BNSF AMTRAK Truckee R
Location0.5 MI N Trckee Airprt RD
RouteCounty Highway 0
Coordinates39.35267, -120.12335
Functional classUrban 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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length417 ft (127.1 m)
Longest span165 ft (50.2 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,060 (2009)
Projected traffic6,265 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Glenshire DR over UP BNSF AMTRAK Truckee R built?

It was built in 1999, making it 26 years old in 2025.

What condition is Glenshire DR over UP BNSF AMTRAK Truckee R 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 August 2024.

How much traffic does Glenshire DR over UP BNSF AMTRAK Truckee R carry?

About 5,060 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Glenshire DR over UP BNSF AMTRAK Truckee R?

The structure is 417 ft (127.1 m) long with a longest span of 165 ft (50.2 m) and a deck 43 ft wide.

Who owns Glenshire DR over UP BNSF AMTRAK Truckee R?

It is owned by the City or Municipal Highway Agency.