US Bridges

Ashwell Way over Seasonal Creek

Good

Solano County, California · Just E of Hiddenbrooke · Structure no. 23C0261

Built
2002
23 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
48 ft
1 main span
Daily traffic
100
2008 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ashwell Way over Seasonal Creek is a wood or timber stringer/multi-beam or girder carrying Ashwell Way over Seasonal Creek in Solano County, California. It was built in 2002, so it is 23 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 208 by 2042. The structure is 48 ft (14.5 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAshwell Way
CrossesSeasonal Creek
LocationJust E of Hiddenbrooke
RouteCity Street 0
Coordinates38.15482, -122.18042
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating48.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span46 ft (14 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2008)
Projected traffic208 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Ashwell Way over Seasonal Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ashwell Way over Seasonal Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Ashwell Way over Seasonal Creek carry?

About 100 vehicles per day (2008 count), of which roughly 1% are trucks.

How long is Ashwell Way over Seasonal Creek?

The structure is 48 ft (14.5 m) long with a longest span of 46 ft (14 m) and a deck 26 ft wide.

Who owns Ashwell Way over Seasonal Creek?

It is owned by the City or Municipal Highway Agency.