US Bridges

Dunman ST over Hickey Blvd

Fair

San Mateo County, California · Over Hickey Blvd · Structure no. 35C0032

Built
1965
60 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
823
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dunman ST over Hickey Blvd is a prestressed concrete stringer/multi-beam or girder carrying Dunman ST over Hickey Blvd in San Mateo County, California. It was built in 1965, so it is 60 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 823 vehicles a day, roughly 5% of them trucks, projected to reach 1,108 by 2041. The structure is 101 ft (30.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDunman ST
CrossesHickey Blvd
LocationOver Hickey Blvd
RouteCity Street 0
CountySan Mateo County
StateCalifornia
Coordinates37.6648, -122.46045
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length101 ft (30.7 m)
Longest span96 ft (29.2 m)
Deck width44 ft (13.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic823 (2011)
Projected traffic1,108 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dunman ST over Hickey Blvd built?

It was built in 1965, making it 60 years old in 2025.

What condition is Dunman ST over Hickey Blvd 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 Dunman ST over Hickey Blvd carry?

About 823 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Dunman ST over Hickey Blvd?

The structure is 101 ft (30.7 m) long with a longest span of 96 ft (29.2 m) and a deck 44 ft wide.

Who owns Dunman ST over Hickey Blvd?

It is owned by the City or Municipal Highway Agency.