IH 41
IH 41 in 0.4 MI E JCT Sth 241(Tunn, Milwaukee County, Wisconsin received a condition grade of B (74/100). Built in 2011, the bridge carries 138K vehicles daily on IH 41 over Ih 43 NB.
IH 41 carries a B on the BridgeSafety Condition Score with 74/100. 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 2011 and is 15 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. IH 41 carries an average daily traffic count of 138,000 vehicles, with 6 lane(s) crossing Ih 43 NB. 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
IH 41 is a 15-year-old bridge located 0.4 MI E JCT Sth 241(Tunn in Milwaukee County, Wisconsin. The bridge carries IH 41 over Ih 43 NB with 6 traffic lanes, handling approximately 138K vehicles per day. Built in 2011, the structure spans 19.6 meters.
The bridge received a Condition Grade of B (74/100) 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
Frequently Asked Questions
IH 41 has a Condition Score of 74/100 (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.
IH 41 was built in 2011, making it 15 years old. The average bridge age in the United States is 48 years.
IH 41 carries approximately 138K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 19.6 meters long and located on IH 41 in 0.4 MI E JCT Sth 241(Tunn, Milwaukee County, Wisconsin.
No, IH 41 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
IH 41 is located 0.4 MI E JCT Sth 241(Tunn in Milwaukee County, Wisconsin. The bridge carries IH 41 over Ih 43 NB. Its coordinates are 42.961983, -87.937953. It is maintained by State Highway Agency.
IH 41 carries IH 41 over Ih 43 NB. The bridge is 19.6 meters long and was built in 2011.
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.