RTE 908M
RTE 908M in Between Exits 37 & 38 - S, Suffolk County, New York received a condition grade of D (25/100). Built in 1933, the bridge carries 139K vehicles daily on RTE 908M over Carlls River Pedestrian. It is classified as structurally deficient.
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
RTE 908M is a 93-year-old bridge located Between Exits 37 & 38 - S in Suffolk County, New York. The bridge carries RTE 908M over Carlls River Pedestrian with 6 traffic lanes, handling approximately 139K vehicles per day. Built in 1933, the structure spans 11 meters.
The bridge received a Condition Grade of D (25/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 6/9 (fair), and substructure 6/9 (fair). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
RTE 908M has a Condition Score of 25/100 (Grade D). Its deck is rated 0/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is classified as structurally deficient.
RTE 908M was built in 1933, making it 93 years old. The average bridge age in the United States is 48 years.
RTE 908M carries approximately 139K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 11 meters long and located on RTE 908M in Between Exits 37 & 38 - S, Suffolk County, New York.
Yes, RTE 908M is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
RTE 908M is located Between Exits 37 & 38 - S in Suffolk County, New York. The bridge carries RTE 908M over Carlls River Pedestrian. Its coordinates are 40.732553, -73.341594. It is maintained by State Highway Agency.
RTE 908M carries RTE 908M over Carlls River Pedestrian. The bridge is 11 meters long and was built in 1933.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.