INTERSTATE 80
INTERSTATE 80 in 04-Sol-080-17.27-Frfd, Solano County, California received a condition grade of A (81/100). Built in 1961, the bridge carries 177K vehicles daily on INTERSTATE 80 over Pedestrian Walkway.
INTERSTATE 80 carries an A on the BridgeSafety Condition Score with 81/100. 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 1961 and is now 65 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. INTERSTATE 80 carries an average daily traffic count of 177,000 vehicles, with 8 lane(s) crossing Pedestrian Walkway. 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 65-year-old bridge located 04-Sol-080-17.27-Frfd in Solano County, California. The bridge carries INTERSTATE 80 over Pedestrian Walkway with 8 traffic lanes, handling approximately 177K vehicles per day. Built in 1961 and reconstructed in 2010, the structure spans 7 meters.
The bridge received a Condition Grade of A (81/100) 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 81/100 (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 1961 and reconstructed in 2010, making it 65 years old. The average bridge age in the United States is 48 years.
INTERSTATE 80 carries approximately 177K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 7 meters long and located on INTERSTATE 80 in 04-Sol-080-17.27-Frfd, 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-080-17.27-Frfd in Solano County, California. The bridge carries INTERSTATE 80 over Pedestrian Walkway. Its coordinates are 38.250514, -122.068778. It is maintained by State Highway Agency.
INTERSTATE 80 carries INTERSTATE 80 over Pedestrian Walkway. The bridge is 7 meters long and was built in 1961, with reconstruction in 2010.
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.