US Bridges

Stevenson Br RD over Putah Creek

Fair

Solano County, California · Sol/Yol CO Line · Structure no. 23C0092

Built
1923
102 years old
Condition
Fair
inspected March 2023
Type
Arch - Thru
Concrete Continuous
Length
298 ft
2 main spans
Daily traffic
789
2008 count
Owner
County
County Highway Agency

About this bridge

Stevenson Br RD over Putah Creek is a concrete continuous arch - thru carrying Stevenson Br RD over Putah Creek in Solano County, California. It was built in 1923, so it is 102 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 789 vehicles a day, roughly 5% of them trucks, projected to reach 1,549 by 2041. The structure is 298 ft (90.8 m) long and 23 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesStevenson Br RD
CrossesPutah Creek
LocationSol/Yol CO Line
RouteCounty Highway 0
CountySolano County
StateCalifornia
Coordinates38.53647, -121.85109
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating45 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Thru
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadUnknown
Structure length298 ft (90.8 m)
Longest span108 ft (32.9 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic789 (2008)
Projected traffic1,549 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stevenson Br RD over Putah Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is Stevenson Br RD over Putah 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 March 2023.

How much traffic does Stevenson Br RD over Putah Creek carry?

About 789 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Stevenson Br RD over Putah Creek?

The structure is 298 ft (90.8 m) long with a longest span of 108 ft (32.9 m) and a deck 23 ft wide.

Who owns Stevenson Br RD over Putah Creek?

It is owned by the County Highway Agency.