US Bridges

Springtown Blvd over Altamont Creek

Fair

Alameda County, California · 1 MI N of I-580 · Structure no. 33C0397

Built
1981
44 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Steel
Length
90 ft
3 main spans
Daily traffic
5,700
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Springtown Blvd over Altamont Creek is a steel arch - deck carrying Springtown Blvd over Altamont Creek in Alameda County, California. It was built in 1981, so it is 44 years old, younger 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 5,700 vehicles a day, roughly 2% of them trucks, projected to reach 1,091 by 2041. The structure is 90 ft (27.4 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSpringtown Blvd
CrossesAltamont Creek
Location1 MI N of I-580
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.7165, -121.74786
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width95 ft (29 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2009)
Projected traffic1,091 by 2041
Trucks2%
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 Springtown Blvd over Altamont Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Springtown Blvd over Altamont 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 November 2023.

How much traffic does Springtown Blvd over Altamont Creek carry?

About 5,700 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Springtown Blvd over Altamont Creek?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 95 ft wide.

Who owns Springtown Blvd over Altamont Creek?

It is owned by the City or Municipal Highway Agency.