IS 97 NBR
IS 97 NBR in 1.19 Mile South Of Md 174, Anne Arundel County, Maryland received a condition grade of B (78/100). Built in 1990, the bridge carries 136K vehicles daily on IS 97 NBR over Md 3 Business.
IS 97 NBR carries a B on the BridgeSafety Condition Score with 78/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1990, making it 36 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. IS 97 NBR carries an average daily traffic count of 135,900 vehicles, with 3 lane(s) crossing Md 3 Business. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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 97 NBR is a 36-year-old bridge located 1.19 Mile South Of Md 174 in Anne Arundel County, Maryland. The bridge carries IS 97 NBR over Md 3 Business with 3 traffic lanes, handling approximately 136K vehicles per day. Built in 1990, the structure spans 78 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 97 NBR 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 97 NBR was built in 1990, making it 36 years old. The average bridge age in the United States is 48 years.
IS 97 NBR carries approximately 136K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 78 meters long and located on IS 97 NBR in 1.19 Mile South Of Md 174, Anne Arundel County, Maryland.
No, IS 97 NBR 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 97 NBR is located 1.19 Mile South Of Md 174 in Anne Arundel County, Maryland. The bridge carries IS 97 NBR over Md 3 Business. Its coordinates are 39.127658, -76.640997. It is maintained by State Highway Agency.
IS 97 NBR carries IS 97 NBR over Md 3 Business. The bridge is 78 meters long and was built in 1990.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.