US Bridges

US Highway 101 NB over Jolon RD (co RD G14)

Good

Monterey County, California · 05-MON-101-R41.95R · Structure no. 44 0181R

Built
1968
57 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
12,600
2010 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 NB over Jolon RD (co RD G14) is a concrete continuous box beam or girders - multiple carrying US Highway 101 NB over Jolon RD (co RD G14) in Monterey County, California. It was built in 1968, so it is 57 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 12,600 vehicles a day, roughly 12% of them trucks, projected to reach 16,882 by 2041. The structure is 114 ft (34.7 m) long and 39 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesUS Highway 101 NB
CrossesJolon RD (co RD G14)
Location05-MON-101-R41.95R
RouteU.S. Route 101
Coordinates36.19786, -121.14801
Functional classUrban Other Principal 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length114 ft (34.7 m)
Longest span52 ft (15.9 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2010)
Projected traffic16,882 by 2041
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 US Highway 101 NB over Jolon RD (co RD G14) built?

It was built in 1968, making it 57 years old in 2025.

What condition is US Highway 101 NB over Jolon RD (co RD G14) 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 US Highway 101 NB over Jolon RD (co RD G14) carry?

About 12,600 vehicles per day (2010 count), of which roughly 12% are trucks.

How long is US Highway 101 NB over Jolon RD (co RD G14)?

The structure is 114 ft (34.7 m) long with a longest span of 52 ft (15.9 m) and a deck 39 ft wide.

Who owns US Highway 101 NB over Jolon RD (co RD G14)?

It is owned by the State Highway Agency.