US Bridges

Sanford Road over E Br Laguna De Santa Rsa

Fair

Sonoma County, California · 0.4 MI N Occidental RD · Structure no. 20C0511

Built
1997
28 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
3 main spans
Daily traffic
2,700
2011 count
Owner
County
County Highway Agency

About this bridge

Sanford Road over E Br Laguna De Santa Rsa is a steel stringer/multi-beam or girder carrying Sanford Road over E Br Laguna De Santa Rsa in Sonoma County, California. It was built in 1997, so it is 28 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 2,700 vehicles a day, roughly 5% of them trucks, projected to reach 3,341 by 2042. The structure is 77 ft (23.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSanford Road
CrossesE Br Laguna De Santa Rsa
Location0.4 MI N Occidental RD
RouteCounty Highway 0
Coordinates38.42933, -122.82516
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating33.2 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length77 ft (23.4 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2011)
Projected traffic3,341 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Sanford Road over E Br Laguna De Santa Rsa built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sanford Road over E Br Laguna De Santa Rsa 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 March 2024.

How much traffic does Sanford Road over E Br Laguna De Santa Rsa carry?

About 2,700 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Sanford Road over E Br Laguna De Santa Rsa?

The structure is 77 ft (23.4 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns Sanford Road over E Br Laguna De Santa Rsa?

It is owned by the County Highway Agency.