IS 95 NB
IS 95 NB in On Howard Co Line, Prince George's County, Maryland received a condition grade of B (64/100). Built in 1971, the bridge carries 186K vehicles daily on IS 95 NB over Patuxent River.
IS 95 NB carries a B on the BridgeSafety Condition Score with 64/100. 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 1971 and is now 55 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. IS 95 NB carries an average daily traffic count of 186,040 vehicles, with 4 lane(s) crossing Patuxent River. 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 95 NB is a 55-year-old bridge located On Howard Co Line in Prince George's County, Maryland. The bridge carries IS 95 NB over Patuxent River with 4 traffic lanes, handling approximately 186K vehicles per day. Built in 1971 and reconstructed in 1974, the structure spans 157 meters.
The bridge received a Condition Grade of B (64/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 5/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IS 95 NB has a Condition Score of 64/100 (Grade B). Its deck is rated 7/9, superstructure 5/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
IS 95 NB was built in 1971 and reconstructed in 1974, making it 55 years old. The average bridge age in the United States is 48 years.
IS 95 NB carries approximately 186K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 157 meters long and located on IS 95 NB in On Howard Co Line, Prince George's County, Maryland.
No, IS 95 NB 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 95 NB is located On Howard Co Line in Prince George's County, Maryland. The bridge carries IS 95 NB over Patuxent River. Its coordinates are 39.114642, -76.873869. It is maintained by State Highway Agency.
IS 95 NB carries IS 95 NB over Patuxent River. The bridge is 157 meters long and was built in 1971, with reconstruction in 1974.
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.