US Bridges

Interstate 80 over E80-N29 Connector Ramp

Good

Solano County, California · 04-SOL-080-1.14 · Structure no. 23 0259

Built
2023
2 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
188 ft
3 main spans
Daily traffic
145,000
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 over E80-N29 Connector Ramp is a prestressed concrete slab carrying Interstate 80 over E80-N29 Connector Ramp in Solano County, California. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 145,000 vehicles a day, roughly 5% of them trucks, projected to reach 194,098 by 2047. The structure is 188 ft (57.3 m) long and 123 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesInterstate 80
CrossesE80-N29 Connector Ramp
Location04-SOL-080-1.14
RouteInterstate 80
Coordinates38.07611, -122.23158
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length188 ft (57.3 m)
Longest span84 ft (25.5 m)
Deck width123 ft (37.4 m)
Roadway width117 ft (35.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145,000 (2009)
Projected traffic194,098 by 2047
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 Interstate 80 over E80-N29 Connector Ramp built?

It was built in 2023, making it 2 years old in 2025.

What condition is Interstate 80 over E80-N29 Connector Ramp 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 January 2025.

How much traffic does Interstate 80 over E80-N29 Connector Ramp carry?

About 145,000 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Interstate 80 over E80-N29 Connector Ramp?

The structure is 188 ft (57.3 m) long with a longest span of 84 ft (25.5 m) and a deck 123 ft wide.

Who owns Interstate 80 over E80-N29 Connector Ramp?

It is owned by the State Highway Agency.