US Bridges

State Route 198 over Hillside

Good

Monterey County, California · 05-MON-198-21.10 · Structure no. 44 0287

Built
2006
19 years old
Condition
Good
inspected May 2022
Type
Slab
Concrete Continuous
Length
237 ft
6 main spans
Daily traffic
653
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 198 over Hillside is a concrete continuous slab carrying State Route 198 over Hillside in Monterey County, California. It was built in 2006, so it is 19 years old, younger 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 653 vehicles a day, projected to reach 1,145 by 2044. The structure is 237 ft (72.3 m) long and 17 ft wide. If it were closed, the detour would be 93.2 mi (150 km).

CarriesState Route 198
CrossesHillside
Location05-MON-198-21.10
RouteState Highway 198
Coordinates36.2013, -120.73106
Functional classRural Minor 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 inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length237 ft (72.3 m)
Longest span40 ft (12.1 m)
Deck width17 ft (5.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic653 (2009)
Projected traffic1,145 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed93.2 mi (150 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 State Route 198 over Hillside built?

It was built in 2006, making it 19 years old in 2025.

What condition is State Route 198 over Hillside 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 2022.

How much traffic does State Route 198 over Hillside carry?

About 653 vehicles per day (2009 count).

How long is State Route 198 over Hillside?

The structure is 237 ft (72.3 m) long with a longest span of 40 ft (12.1 m) and a deck 17 ft wide.

Who owns State Route 198 over Hillside?

It is owned by the State Highway Agency.