US Bridges

Bradford ST over Redwood Creek

Poor

San Mateo County, California · Btwn Main ST & Jeffsn Ave · Structure no. 35C0013

Built
1966
59 years old
Condition
Poor
inspected May 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
2,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bradford ST over Redwood Creek is a concrete continuous culvert carrying Bradford ST over Redwood Creek in San Mateo County, California. It was built in 1966, so it is 59 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 1,109 by 2046. The structure is 32 ft (9.7 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBradford ST
CrossesRedwood Creek
LocationBtwn Main ST & Jeffsn Ave
RouteCity Street 0
Coordinates37.4886, -122.22717
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length32 ft (9.7 m)
Longest span15 ft (4.6 m)
Deck width72 ft (22 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2015)
Projected traffic1,109 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$357,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bradford ST over Redwood Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Bradford ST over Redwood Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Bradford ST over Redwood Creek carry?

About 2,000 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is Bradford ST over Redwood Creek?

The structure is 32 ft (9.7 m) long with a longest span of 15 ft (4.6 m) and a deck 72 ft wide.

Who owns Bradford ST over Redwood Creek?

It is owned by the City or Municipal Highway Agency.