US Bridges

Newell Ave over San Ramon Creek

Fair

Contra Costa County, California · 0.1 MI E of S Main ST · Structure no. 28C0337

Built
1940
85 years old, rebuilt 1983
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
72 ft
3 main spans
Daily traffic
16,200
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Newell Ave over San Ramon Creek is a steel continuous stringer/multi-beam or girder carrying Newell Ave over San Ramon Creek in Contra Costa County, California. It was built in 1940 and reconstructed in 1983, 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 fair condition with a lowest component rating of 5 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 16,200 vehicles a day, roughly 4% of them trucks, projected to reach 29,735 by 2047. The structure is 72 ft (21.9 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNewell Ave
CrossesSan Ramon Creek
Location0.1 MI E of S Main ST
RouteCity Street 0
Coordinates37.89314, -122.0572
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span45 ft (13.6 m)
Deck width75 ft (22.8 m)
Roadway width62 ft (19 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,200 (2019)
Projected traffic29,735 by 2047
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Newell Ave over San Ramon Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1983.

What condition is Newell Ave over San Ramon Creek 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 January 2025.

How much traffic does Newell Ave over San Ramon Creek carry?

About 16,200 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Newell Ave over San Ramon Creek?

The structure is 72 ft (21.9 m) long with a longest span of 45 ft (13.6 m) and a deck 75 ft wide.

Who owns Newell Ave over San Ramon Creek?

It is owned by the City or Municipal Highway Agency.