STATE ROUTE 51
STATE ROUTE 51 in 03-Sac-051-2.61-Sac, Sacramento County, California received a condition grade of C (56/100). Built in 1954, the bridge carries 160K vehicles daily on STATE ROUTE 51 over American River.
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
STATE ROUTE 51 is a 72-year-old bridge located 03-Sac-051-2.61-Sac in Sacramento County, California. The bridge carries STATE ROUTE 51 over American River with 6 traffic lanes, handling approximately 160K vehicles per day. Built in 1954 and reconstructed in 1966, the structure spans 576 meters.
The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
STATE ROUTE 51 has a Condition Score of 56/100 (Grade C). Its deck is rated 5/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
STATE ROUTE 51 was built in 1954 and reconstructed in 1966, making it 72 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 51 carries approximately 160K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 576 meters long and located on STATE ROUTE 51 in 03-Sac-051-2.61-Sac, Sacramento County, California.
No, STATE ROUTE 51 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
STATE ROUTE 51 is located 03-Sac-051-2.61-Sac in Sacramento County, California. The bridge carries STATE ROUTE 51 over American River. Its coordinates are 38.586731, -121.447767. It is maintained by State Highway Agency.
STATE ROUTE 51 carries STATE ROUTE 51 over American River. The bridge is 576 meters long and was built in 1954, with reconstruction in 1966.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.