US Bridges

CR 518 (spalding) over Pine Creek

Good

Lassen County, California · 1.5 MI S Eagle Lake RD · Structure no. 07C0078

Built
1976
49 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
80 ft
2 main spans
Daily traffic
1,800
1979 count
Owner
County
County Highway Agency

About this bridge

CR 518 (spalding) over Pine Creek is a concrete continuous tee beam carrying CR 518 (spalding) over Pine Creek in Lassen County, California. It was built in 1976, so it is 49 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 1,800 vehicles a day, roughly 3% of them trucks, projected to reach 1,658 by 2045. The structure is 80 ft (24.5 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCR 518 (spalding)
CrossesPine Creek
Location1.5 MI S Eagle Lake RD
RouteCounty Highway 0
CountyLassen County
StateCalifornia
Coordinates40.66467, -120.79137
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length80 ft (24.5 m)
Longest span40 ft (12.1 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (1979)
Projected traffic1,658 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 CR 518 (spalding) over Pine Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is CR 518 (spalding) over Pine 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 August 2023.

How much traffic does CR 518 (spalding) over Pine Creek carry?

About 1,800 vehicles per day (1979 count), of which roughly 3% are trucks.

How long is CR 518 (spalding) over Pine Creek?

The structure is 80 ft (24.5 m) long with a longest span of 40 ft (12.1 m) and a deck 32 ft wide.

Who owns CR 518 (spalding) over Pine Creek?

It is owned by the County Highway Agency.