US Bridges

Suisun Valley Road over Suisun Creek

Fair

Solano County, California · 0.35 MI S Morrison Lane · Structure no. 23C0076R

Built
2005
20 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
1,052
2009 count
Owner
County
County Highway Agency

About this bridge

Suisun Valley Road over Suisun Creek is a prestressed concrete box beam or girders - multiple carrying Suisun Valley Road over Suisun Creek in Solano County, California. It was built in 2005, so it is 20 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 1,052 vehicles a day, roughly 3% of them trucks, projected to reach 3,272 by 2043. The structure is 113 ft (34.5 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSuisun Valley Road
CrossesSuisun Creek
Location0.35 MI S Morrison Lane
RouteCounty Highway 0
CountySolano County
StateCalifornia
Coordinates38.26082, -122.11537
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length113 ft (34.5 m)
Longest span108 ft (32.9 m)
Deck width22 ft (6.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,052 (2009)
Projected traffic3,272 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Suisun Valley Road over Suisun Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Suisun Valley Road over Suisun 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 November 2023.

How much traffic does Suisun Valley Road over Suisun Creek carry?

About 1,052 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Suisun Valley Road over Suisun Creek?

The structure is 113 ft (34.5 m) long with a longest span of 108 ft (32.9 m) and a deck 22 ft wide.

Who owns Suisun Valley Road over Suisun Creek?

It is owned by the County Highway Agency.