US Bridges

Lopes Road over Jameson Canyon Creek

Fair

Solano County, California · 1.0 MI S of I-80 · Structure no. 23C0071

Built
1915
110 years old, rebuilt 1982
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
36 ft
1 main span
Daily traffic
4,470
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lopes Road over Jameson Canyon Creek is a concrete stringer/multi-beam or girder carrying Lopes Road over Jameson Canyon Creek in Solano County, California. It was built in 1915 and reconstructed in 1982, so it is 110 years old, older 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 4,470 vehicles a day, roughly 8% of them trucks, projected to reach 2,809 by 2043. The structure is 36 ft (11 m) long and 67 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLopes Road
CrossesJameson Canyon Creek
Location1.0 MI S of I-80
RouteCity Street 0
Coordinates38.20503, -122.1384
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width67 ft (20.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,470 (2007)
Projected traffic2,809 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Lopes Road over Jameson Canyon Creek built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1982.

What condition is Lopes Road over Jameson Canyon 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 Lopes Road over Jameson Canyon Creek carry?

About 4,470 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is Lopes Road over Jameson Canyon Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 67 ft wide.

Who owns Lopes Road over Jameson Canyon Creek?

It is owned by the City or Municipal Highway Agency.