US Bridges

Kehoe Avenue over 16th Avenue Channel

Fair

San Mateo County, California · West of Lodi Ave · Structure no. 35C0066

Built
1955
70 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
3,910
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kehoe Avenue over 16th Avenue Channel is a concrete continuous culvert carrying Kehoe Avenue over 16th Avenue Channel in San Mateo County, California. It was built in 1955, so it is 70 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,910 vehicles a day, roughly 4% of them trucks, projected to reach 7,432 by 2041. The structure is 29 ft (8.7 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKehoe Avenue
Crosses16th Avenue Channel
LocationWest of Lodi Ave
RouteCity Street 0
CountySan Mateo County
StateCalifornia
Coordinates37.56546, -122.29718
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length29 ft (8.7 m)
Longest span14 ft (4.3 m)
Deck width58 ft (17.7 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,910 (2015)
Projected traffic7,432 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Kehoe Avenue over 16th Avenue Channel built?

It was built in 1955, making it 70 years old in 2025.

What condition is Kehoe Avenue over 16th Avenue Channel in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Kehoe Avenue over 16th Avenue Channel carry?

About 3,910 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Kehoe Avenue over 16th Avenue Channel?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m) and a deck 58 ft wide.

Who owns Kehoe Avenue over 16th Avenue Channel?

It is owned by the City or Municipal Highway Agency.