IS 270 E
IS 270 E in S 14 T 44 N R 5 E, St. Louis County, Missouri received a condition grade of B (63/100). Built in 1962, the bridge carries 177K vehicles daily on IS 270 E over Is 44 Rp Is270e To Is.
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 64-year-old bridge located S 14 T 44 N R 5 E in St. Louis County, Missouri. The bridge carries IS 270 E over Is 44 Rp Is270e To Is with 10 traffic lanes, handling approximately 177K vehicles per day. Built in 1962 and reconstructed in 1996, the structure spans 113.1 meters.
The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), 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 63/100 (Grade B). Its deck is rated 6/9, superstructure 6/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
IS 270 E was built in 1962 and reconstructed in 1996, making it 64 years old. The average bridge age in the United States is 48 years.
IS 270 E carries approximately 177K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 113.1 meters long and located on IS 270 E in S 14 T 44 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 14 T 44 N R 5 E in St. Louis County, Missouri. The bridge carries IS 270 E over Is 44 Rp Is270e To Is. Its coordinates are 38.548533, -90.426975. It is maintained by State Highway Agency.
IS 270 E carries IS 270 E over Is 44 Rp Is270e To Is. The bridge is 113.1 meters long and was built in 1962, with reconstruction in 1996.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.