BridgeSafety
St. Louis County, MO · Structure #1024

IS 270 E

IS 270 E in S 3069 T 46 N R 5 E, St. Louis County, Missouri received a condition grade of B (69/100). Built in 1965, the bridge carries 138K vehicles daily on IS 270 E over Up RR Fee Fee CR.

B
69/100
69
Condition Score
138K
Daily Traffic
1965
Year Built
100.3m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
IS 270 E
Crosses Over
Up RR Fee Fee CR
State
Missouri
County
St. Louis County
Location
S 3069 T 46 N R 5 E
Year Built
1965
Reconstructed
1984
Age
61 years
Daily Traffic
138,256
Lanes
10
Length
100.3 meters
Owner
State Highway Agency
Structure Number
1024

About This Bridge

IS 270 E is a 61-year-old bridge located S 3069 T 46 N R 5 E in St. Louis County, Missouri. The bridge carries IS 270 E over Up RR Fee Fee CR with 10 traffic lanes, handling approximately 138K vehicles per day. Built in 1965 and reconstructed in 1984, the structure spans 100.3 meters.

The bridge received a Condition Grade of B (69/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

S 3069 T 46 N R 5 E, St. Louis County, Missouri

38.726178, -90.444811

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Frequently Asked Questions

IS 270 E has a Condition Score of 69/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

IS 270 E was built in 1965 and reconstructed in 1984, making it 61 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 10 traffic lanes. It is 100.3 meters long and located on IS 270 E in S 3069 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 3069 T 46 N R 5 E in St. Louis County, Missouri. The bridge carries IS 270 E over Up RR Fee Fee CR. Its coordinates are 38.726178, -90.444811. It is maintained by State Highway Agency.

IS 270 E carries IS 270 E over Up RR Fee Fee CR. The bridge is 100.3 meters long and was built in 1965, with reconstruction in 1984.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.