US Bridges

Fremont ST-S1 Onrp over SR 1 & W68-N1 Conn Rmp

Good

Monterey County, California · 05-MON-001-R78.18-MON · Structure no. 44 0153K

Built
1968
57 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
360 ft
1 main span
Daily traffic
1,800
2013 count
Owner
State
State Highway Agency

About this bridge

Fremont ST-S1 Onrp over SR 1 & W68-N1 Conn Rmp is a prestressed concrete box beam or girders - multiple carrying Fremont ST-S1 Onrp over SR 1 & W68-N1 Conn Rmp 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 1,800 vehicles a day, roughly 8% of them trucks, projected to reach 3,013 by 2043. The structure is 360 ft (109.8 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFremont ST-S1 Onrp
CrossesSR 1 & W68-N1 Conn Rmp
Location05-MON-001-R78.18-MON
RouteState Highway 1
Coordinates36.59568, -121.86807
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating69.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length360 ft (109.8 m)
Longest span134 ft (40.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2013)
Projected traffic3,013 by 2043
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 Fremont ST-S1 Onrp over SR 1 & W68-N1 Conn Rmp built?

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

What condition is Fremont ST-S1 Onrp over SR 1 & W68-N1 Conn Rmp 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 July 2023.

How much traffic does Fremont ST-S1 Onrp over SR 1 & W68-N1 Conn Rmp carry?

About 1,800 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is Fremont ST-S1 Onrp over SR 1 & W68-N1 Conn Rmp?

The structure is 360 ft (109.8 m) long with a longest span of 134 ft (40.7 m) and a deck 38 ft wide.

Who owns Fremont ST-S1 Onrp over SR 1 & W68-N1 Conn Rmp?

It is owned by the State Highway Agency.