US Bridges

State Route 139 over Meadow Channel

Good

Lassen County, California · 02-LAS-139-16.92 · Structure no. 07 0061

Built
1966
59 years old
Condition
Good
inspected May 2021
Type
Slab
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
550
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 139 over Meadow Channel is a concrete continuous slab carrying State Route 139 over Meadow Channel in Lassen County, California. It was built in 1966, so it is 59 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 550 vehicles a day, projected to reach 719 by 2038. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesState Route 139
CrossesMeadow Channel
Location02-LAS-139-16.92
RouteState Highway 139
Coordinates40.56209, -120.6398
Functional classRural 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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2021
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2009)
Projected traffic719 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 139 over Meadow Channel built?

It was built in 1966, making it 59 years old in 2025.

What condition is State Route 139 over Meadow Channel 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 State Route 139 over Meadow Channel carry?

About 550 vehicles per day (2009 count).

How long is State Route 139 over Meadow Channel?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns State Route 139 over Meadow Channel?

It is owned by the State Highway Agency.