US Bridges

Soledad Prison RD over US Highway 101

Good

Monterey County, California · 05-MON-101-66.40 · Structure no. 44 0116

Built
1959
66 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
183 ft
4 main spans
Daily traffic
1,060
2009 count
Owner
State
State Highway Agency

About this bridge

Soledad Prison RD over US Highway 101 is a concrete continuous tee beam carrying Soledad Prison RD over US Highway 101 in Monterey County, California. It was built in 1959, so it is 66 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 1,060 vehicles a day, roughly 5% of them trucks, projected to reach 1,663 by 2044. The structure is 183 ft (55.9 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSoledad Prison RD
CrossesUS Highway 101
Location05-MON-101-66.40
RouteCounty Highway 0
Coordinates36.46473, -121.38786
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 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length183 ft (55.9 m)
Longest span61 ft (18.6 m)
Deck width37 ft (11.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,060 (2009)
Projected traffic1,663 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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 Soledad Prison RD over US Highway 101 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Soledad Prison 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 May 2024.

How much traffic does Soledad Prison RD over US Highway 101 carry?

About 1,060 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Soledad Prison RD over US Highway 101?

The structure is 183 ft (55.9 m) long with a longest span of 61 ft (18.6 m) and a deck 37 ft wide.

Who owns Soledad Prison RD over US Highway 101?

It is owned by the State Highway Agency.