US Bridges

Oak Avenue over US Highway 101

Good

Monterey County, California · 05-MON-101-53.36-GNFD · Structure no. 44 0134

Built
1961
64 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
193 ft
4 main spans
Daily traffic
6,220
2010 count
Owner
State
State Highway Agency

About this bridge

Oak Avenue over US Highway 101 is a concrete continuous box beam or girders - multiple carrying Oak Avenue over US Highway 101 in Monterey County, California. It was built in 1961, so it is 64 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 6,220 vehicles a day, roughly 5% of them trucks, projected to reach 9,744 by 2042. The structure is 193 ft (58.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOak Avenue
CrossesUS Highway 101
Location05-MON-101-53.36-GNFD
RouteCity Street 0
Coordinates36.32358, -121.23842
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.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length193 ft (58.8 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,220 (2010)
Projected traffic9,744 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Oak Avenue over US Highway 101 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Oak Avenue 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 May 2024.

How much traffic does Oak Avenue over US Highway 101 carry?

About 6,220 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Oak Avenue over US Highway 101?

The structure is 193 ft (58.8 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns Oak Avenue over US Highway 101?

It is owned by the State Highway Agency.