US Bridges

Park Road over Sulphur Springs Creek

Fair

Solano County, California · 0.12 MI N/E Bayshore RD · Structure no. 23C0155

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
9,854
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Road over Sulphur Springs Creek is a concrete continuous slab carrying Park Road over Sulphur Springs Creek in Solano County, California. It was built in 1988, so it is 37 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 6 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 9,854 vehicles a day, roughly 8% of them trucks, projected to reach 8,326 by 2046. The structure is 73 ft (22.1 m) long and 59 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPark Road
CrossesSulphur Springs Creek
Location0.12 MI N/E Bayshore RD
RouteCity Street 0
Coordinates38.06653, -122.12997
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length73 ft (22.1 m)
Longest span28 ft (8.5 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,854 (2011)
Projected traffic8,326 by 2046
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Park Road over Sulphur Springs Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Park Road over Sulphur Springs 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 August 2024.

How much traffic does Park Road over Sulphur Springs Creek carry?

About 9,854 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is Park Road over Sulphur Springs Creek?

The structure is 73 ft (22.1 m) long with a longest span of 28 ft (8.5 m) and a deck 59 ft wide.

Who owns Park Road over Sulphur Springs Creek?

It is owned by the City or Municipal Highway Agency.