IS 70 E
IS 70 E in S 15 T 46 N R 5 E, St. Louis County, Missouri received a condition grade of C (46/100). Built in 1957, the bridge carries 141K vehicles daily on IS 70 E over Is 270.
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 70 E is a 69-year-old bridge located S 15 T 46 N R 5 E in St. Louis County, Missouri. The bridge carries IS 70 E over Is 270 with 6 traffic lanes, handling approximately 141K vehicles per day. Built in 1957 and reconstructed in 1978, the structure spans 78 meters.
The bridge received a Condition Grade of C (46/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IS 70 E has a Condition Score of 46/100 (Grade C). Its deck is rated 5/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
IS 70 E was built in 1957 and reconstructed in 1978, making it 69 years old. The average bridge age in the United States is 48 years.
IS 70 E carries approximately 141K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 78 meters long and located on IS 70 E in S 15 T 46 N R 5 E, St. Louis County, Missouri.
No, IS 70 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 70 E is located S 15 T 46 N R 5 E in St. Louis County, Missouri. The bridge carries IS 70 E over Is 270. Its coordinates are 38.748536, -90.439575. It is maintained by State Highway Agency.
IS 70 E carries IS 70 E over Is 270. The bridge is 78 meters long and was built in 1957, with reconstruction in 1978.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.