US Bridges

Griffin Road over Lewis Creek

GoodPosted for load

Monterey County, California · 0.05 MI NE of SR 198 · Structure no. 44C0159

Built
1950
75 years old, rebuilt 1999
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

Griffin Road over Lewis Creek is a steel stringer/multi-beam or girder carrying Griffin Road over Lewis Creek in Monterey County, California. It was built in 1950 and reconstructed in 1999, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 3% of them trucks, projected to reach 60 by 2040. The structure is 62 ft (18.8 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGriffin Road
CrossesLewis Creek
Location0.05 MI NE of SR 198
RouteCounty Highway 0
Coordinates36.19784, -120.71384
Functional classRural 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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.1 US tons
Inventory rating12.5 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1 (+2 approach)
Design loadUnknown
Structure length62 ft (18.8 m)
Longest span30 ft (9 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic60 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Griffin Road over Lewis Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1999.

What condition is Griffin Road over Lewis Creek 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 August 2023.

How much traffic does Griffin Road over Lewis Creek carry?

About 50 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Griffin Road over Lewis Creek?

The structure is 62 ft (18.8 m) long with a longest span of 30 ft (9 m) and a deck 15 ft wide.

Who owns Griffin Road over Lewis Creek?

It is owned by the County Highway Agency.