US Bridges

Dixon Avenue over Interstate 80 & Ramps

Fair

Solano County, California · 04-SOL-080-35.55-DXN · Structure no. 23 0151

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
379 ft
4 main spans
Daily traffic
2,617
2002 count
Owner
State
State Highway Agency

About this bridge

Dixon Avenue over Interstate 80 & Ramps is a steel stringer/multi-beam or girder carrying Dixon Avenue over Interstate 80 & Ramps in Solano County, California. It was built in 1963, so it is 62 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 2,617 vehicles a day, roughly 2% of them trucks, projected to reach 3,772 by 2046. The structure is 379 ft (115.4 m) long and 35 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesDixon Avenue
CrossesInterstate 80 & Ramps
Location04-SOL-080-35.55-DXN
RouteCounty Highway 0
CountySolano County
StateCalifornia
Coordinates38.44583, -121.8594
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.6 US tons
Inventory rating59.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length379 ft (115.4 m)
Longest span137 ft (41.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,617 (2002)
Projected traffic3,772 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 Dixon Avenue over Interstate 80 & Ramps built?

It was built in 1963, making it 62 years old in 2025.

What condition is Dixon Avenue over Interstate 80 & Ramps 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 2024.

How much traffic does Dixon Avenue over Interstate 80 & Ramps carry?

About 2,617 vehicles per day (2002 count), of which roughly 2% are trucks.

How long is Dixon Avenue over Interstate 80 & Ramps?

The structure is 379 ft (115.4 m) long with a longest span of 137 ft (41.8 m) and a deck 35 ft wide.

Who owns Dixon Avenue over Interstate 80 & Ramps?

It is owned by the State Highway Agency.