US Bridges

US Highway 101 NB over UP RR AMTRAK Front ST

Good

Monterey County, California · 05-MON-101-62.70 · Structure no. 44 0091R

Built
1960
65 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
313 ft
4 main spans
Daily traffic
18,200
2009 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 NB over UP RR AMTRAK Front ST is a steel stringer/multi-beam or girder carrying US Highway 101 NB over UP RR AMTRAK Front ST in Monterey County, California. It was built in 1960, so it is 65 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 18,200 vehicles a day, roughly 16% of them trucks, projected to reach 22,852 by 2042. The structure is 313 ft (95.5 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS Highway 101 NB
CrossesUP RR AMTRAK Front ST
Location05-MON-101-62.70
RouteU.S. Route 101
Coordinates36.43098, -121.33691
Functional classRural Principal Arterial - Other

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 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length313 ft (95.5 m)
Longest span92 ft (28 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,200 (2009)
Projected traffic22,852 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed6.8 mi (11 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 UP RR AMTRAK Front ST built?

It was built in 1960, making it 65 years old in 2025.

What condition is US Highway 101 NB over UP RR AMTRAK Front ST 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 US Highway 101 NB over UP RR AMTRAK Front ST carry?

About 18,200 vehicles per day (2009 count), of which roughly 16% are trucks.

How long is US Highway 101 NB over UP RR AMTRAK Front ST?

The structure is 313 ft (95.5 m) long with a longest span of 92 ft (28 m) and a deck 32 ft wide.

Who owns US Highway 101 NB over UP RR AMTRAK Front ST?

It is owned by the State Highway Agency.