US Bridges

State Route 37 WB over Sage ST

Good

Solano County, California · 04-SOL-037-R11.22-VAL · Structure no. 23 0094L

Built
1979
46 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
46,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 37 WB over Sage ST is a prestressed concrete box beam or girders - multiple carrying State Route 37 WB over Sage ST in Solano County, California. It was built in 1979, so it is 46 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 46,000 vehicles a day, roughly 6% of them trucks, projected to reach 58,580 by 2040. The structure is 96 ft (29.3 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 37 WB
CrossesSage ST
Location04-SOL-037-R11.22-VAL
RouteState Highway 37
Coordinates38.14146, -122.22788
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length96 ft (29.3 m)
Longest span96 ft (29.3 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,000 (2009)
Projected traffic58,580 by 2040
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 37 WB over Sage ST built?

It was built in 1979, making it 46 years old in 2025.

What condition is State Route 37 WB over Sage ST 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 December 2023.

How much traffic does State Route 37 WB over Sage ST carry?

About 46,000 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is State Route 37 WB over Sage ST?

The structure is 96 ft (29.3 m) long with a longest span of 96 ft (29.3 m) and a deck 54 ft wide.

Who owns State Route 37 WB over Sage ST?

It is owned by the State Highway Agency.