US Bridges

Los Lobos RD over US Highway 101

Good

Monterey County, California · 05-MON-101-R17.86 · Structure no. 44 0172

Built
1964
61 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
2 main spans
Daily traffic
150
2010 count
Owner
State
State Highway Agency

About this bridge

Los Lobos RD over US Highway 101 is a prestressed concrete stringer/multi-beam or girder carrying Los Lobos RD over US Highway 101 in Monterey County, California. It was built in 1964, so it is 61 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 150 vehicles a day, roughly 8% of them trucks, projected to reach 258 by 2043. The structure is 179 ft (54.6 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLos Lobos RD
CrossesUS Highway 101
Location05-MON-101-R17.86
RouteCounty Highway 0
Coordinates35.97536, -120.89971
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span60 ft (18.3 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2010)
Projected traffic258 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Los Lobos RD over US Highway 101 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Los Lobos RD over US Highway 101 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 October 2023.

How much traffic does Los Lobos RD over US Highway 101 carry?

About 150 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is Los Lobos RD over US Highway 101?

The structure is 179 ft (54.6 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.

Who owns Los Lobos RD over US Highway 101?

It is owned by the State Highway Agency.