US Bridges

Lake Blvd over UP RR & AMTRAK

Good

Shasta County, California · 0.7 MI Nw/O I-5 · Structure no. 06C0033

Built
1939
86 years old, rebuilt 1967
Condition
Good
inspected May 2021
Type
Tee Beam
Concrete Continuous
Length
146 ft
3 main spans
Daily traffic
13,986
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Blvd over UP RR & AMTRAK is a concrete continuous tee beam carrying Lake Blvd over UP RR & AMTRAK in Shasta County, California. It was built in 1939 and reconstructed in 1967, so it is 86 years old, older 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 13,986 vehicles a day, roughly 2% of them trucks, projected to reach 16,462 by 2043. The structure is 146 ft (44.5 m) long and 65 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLake Blvd
CrossesUP RR & AMTRAK
Location0.7 MI Nw/O I-5
RouteCity Street 0
Coordinates40.61507, -122.38873
Functional classUrban Minor Arterial

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 inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span50 ft (15.2 m)
Deck width65 ft (19.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,986 (2012)
Projected traffic16,462 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lake Blvd over UP RR & AMTRAK built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1967.

What condition is Lake Blvd over UP RR & AMTRAK 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 May 2021.

How much traffic does Lake Blvd over UP RR & AMTRAK carry?

About 13,986 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Lake Blvd over UP RR & AMTRAK?

The structure is 146 ft (44.5 m) long with a longest span of 50 ft (15.2 m) and a deck 65 ft wide.

Who owns Lake Blvd over UP RR & AMTRAK?

It is owned by the City or Municipal Highway Agency.