US Bridges

Allison Drive over Pine Tree Creek

Good

Solano County, California · North of Browns Valley · Structure no. 23C0263

Built
2000
25 years old
Condition
Good
inspected October 2024
Type
Arch - Deck
Concrete
Length
39 ft
1 main span
Daily traffic
200
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Allison Drive over Pine Tree Creek is a concrete arch - deck carrying Allison Drive over Pine Tree Creek in Solano County, California. It was built in 2000, so it is 25 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 2% of them trucks, projected to reach 411 by 2042. The structure is 39 ft (12 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesAllison Drive
CrossesPine Tree Creek
LocationNorth of Browns Valley
RouteCity Street 0
Coordinates38.37107, -121.96956
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
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length39 ft (12 m)
Longest span36 ft (11 m)
Deck width52 ft (15.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2010)
Projected traffic411 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Allison Drive over Pine Tree Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Allison Drive over Pine Tree 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 October 2024.

How much traffic does Allison Drive over Pine Tree Creek carry?

About 200 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Allison Drive over Pine Tree Creek?

The structure is 39 ft (12 m) long with a longest span of 36 ft (11 m) and a deck 52 ft wide.

Who owns Allison Drive over Pine Tree Creek?

It is owned by the City or Municipal Highway Agency.