INTERSTATE 80
INTERSTATE 80 in 04-Sol-080-1.14, Solano County, California received a condition grade of A (89/100). Built in 2023, the bridge carries 145K vehicles daily on INTERSTATE 80 over E80-N29 Connector Ramp.
INTERSTATE 80 carries an A on the BridgeSafety Condition Score with 89/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 2023 and is 3 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. INTERSTATE 80 carries an average daily traffic count of 145,000 vehicles, with 6 lane(s) crossing E80-N29 Connector Ramp. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
INTERSTATE 80 is a 3-year-old bridge located 04-Sol-080-1.14 in Solano County, California. The bridge carries INTERSTATE 80 over E80-N29 Connector Ramp with 6 traffic lanes, handling approximately 145K vehicles per day. Built in 2023, the structure spans 57.3 meters.
The bridge received a Condition Grade of A (89/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 80 has a Condition Score of 89/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 80 was built in 2023, making it 3 years old. The average bridge age in the United States is 48 years.
INTERSTATE 80 carries approximately 145K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 57.3 meters long and located on INTERSTATE 80 in 04-Sol-080-1.14, Solano County, California.
No, INTERSTATE 80 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
INTERSTATE 80 is located 04-Sol-080-1.14 in Solano County, California. The bridge carries INTERSTATE 80 over E80-N29 Connector Ramp. Its coordinates are 38.076114, -122.231578. It is maintained by State Highway Agency.
INTERSTATE 80 carries INTERSTATE 80 over E80-N29 Connector Ramp. The bridge is 57.3 meters long and was built in 2023.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.