US Bridges

Nimitz Drive over Fork Drive

Good

San Mateo County, California · 1300 Sneath LN LN San Br · Structure no. NCA12

Built
1940
85 years old
Condition
Good
inspected September 2021
Type
Slab
Concrete
Length
43 ft
1 main span
Daily traffic
10
2021 count
Owner
Unknown

About this bridge

Nimitz Drive over Fork Drive is a concrete slab carrying Nimitz Drive over Fork Drive in San Mateo County, California. It was built in 1940, so it is 85 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 10 vehicles a day, projected to reach 11 by 2041. The structure is 43 ft (13.1 m) long and 81 ft wide.

CarriesNimitz Drive
CrossesFork Drive
Location1300 Sneath LN LN San Br
RouteFederal Lands Road 0
Coordinates37.63375, -122.43242
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.
Last inspectionSeptember 2021
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width81 ft (24.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2021)
Projected traffic11 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNot reported
Maintained byNot reported
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 Nimitz Drive over Fork Drive built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nimitz Drive over Fork Drive 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 September 2021.

How much traffic does Nimitz Drive over Fork Drive carry?

About 10 vehicles per day (2021 count).

How long is Nimitz Drive over Fork Drive?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 81 ft wide.

Who owns Nimitz Drive over Fork Drive?

It is owned by the owner is not reported.