IS 270 E
IS 270 E in S 22 T 46 N R 5 E, St. Louis County, Missouri received a condition grade of B (78/100). Built in 2009, the bridge carries 138K vehicles daily on IS 270 E over Cst Dorsett RD.
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
IS 270 E is a 17-year-old bridge located S 22 T 46 N R 5 E in St. Louis County, Missouri. The bridge carries IS 270 E over Cst Dorsett RD with 8 traffic lanes, handling approximately 138K vehicles per day. Built in 2009, the structure spans 47.5 meters.
The bridge received a Condition Grade of B (78/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IS 270 E has a Condition Score of 78/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
IS 270 E was built in 2009, making it 17 years old. The average bridge age in the United States is 48 years.
IS 270 E carries approximately 138K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 47.5 meters long and located on IS 270 E in S 22 T 46 N R 5 E, St. Louis County, Missouri.
No, IS 270 E is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
IS 270 E is located S 22 T 46 N R 5 E in St. Louis County, Missouri. The bridge carries IS 270 E over Cst Dorsett RD. Its coordinates are 38.714539, -90.447328. It is maintained by State Highway Agency.
IS 270 E carries IS 270 E over Cst Dorsett RD. The bridge is 47.5 meters long and was built in 2009.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.