US Bridges

State Route 37 over ST RTE 29 Chabot Creek

Fair

Solano County, California · 04-SOL-037-R9.52-VAL · Structure no. 23 0218

Built
2005
20 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
969 ft
6 main spans
Daily traffic
29,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 37 over ST RTE 29 Chabot Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 37 over ST RTE 29 Chabot 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 5 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 29,000 vehicles a day, roughly 25% of them trucks, projected to reach 61,609 by 2040. The structure is 969 ft (295.5 m) long and 113 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 37
CrossesST RTE 29 Chabot Creek
Location04-SOL-037-R9.52-VAL
RouteState Highway 37
Coordinates38.13912, -122.25652
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable 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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length969 ft (295.5 m)
Longest span192 ft (58.6 m)
Deck width113 ft (34.4 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2009)
Projected traffic61,609 by 2040
Trucks25%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 37 over ST RTE 29 Chabot Creek built?

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

What condition is State Route 37 over ST RTE 29 Chabot 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 December 2023.

How much traffic does State Route 37 over ST RTE 29 Chabot Creek carry?

About 29,000 vehicles per day (2009 count), of which roughly 25% are trucks.

How long is State Route 37 over ST RTE 29 Chabot Creek?

The structure is 969 ft (295.5 m) long with a longest span of 192 ft (58.6 m) and a deck 113 ft wide.

Who owns State Route 37 over ST RTE 29 Chabot Creek?

It is owned by the State Highway Agency.