US Bridges

Skylark Way over Browns Valley Creek

Good

Napa County, California · 0.1M N of Tall Grass DR · Structure no. 21C0133

Built
2007
18 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
300
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Skylark Way over Browns Valley Creek is a steel stringer/multi-beam or girder carrying Skylark Way over Browns Valley Creek in Napa County, California. It was built in 2007, so it is 18 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2038. The structure is 72 ft (22 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSkylark Way
CrossesBrowns Valley Creek
Location0.1M N of Tall Grass DR
RouteCity Street 0
Coordinates38.3075, -122.34583
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length72 ft (22 m)
Longest span69 ft (21 m)
Deck width32 ft (9.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2015)
Projected traffic400 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Skylark Way over Browns Valley Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Skylark Way over Browns Valley 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 May 2021.

How much traffic does Skylark Way over Browns Valley Creek carry?

About 300 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Skylark Way over Browns Valley Creek?

The structure is 72 ft (22 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns Skylark Way over Browns Valley Creek?

It is owned by the City or Municipal Highway Agency.