USH 12/18-W BELTLI
USH 12/18-W BELTLI in 0.1m E JCT Cth Mc, Dane County, Wisconsin received a condition grade of B (77/100). Built in 1975, the bridge carries 131K vehicles daily on USH 12/18-W BELTLI over Cmstpp RR.
USH 12/18-W BELTLI carries a B on the BridgeSafety Condition Score with 77/100. 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 1975 and is now 51 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. USH 12/18-W BELTLI carries an average daily traffic count of 131,000 vehicles, with 10 lane(s) crossing Cmstpp RR. 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
USH 12/18-W BELTLI is a 51-year-old bridge located 0.1m E JCT Cth Mc in Dane County, Wisconsin. The bridge carries USH 12/18-W BELTLI over Cmstpp RR with 10 traffic lanes, handling approximately 131K vehicles per day. Built in 1975 and reconstructed in 1988, the structure spans 68.2 meters.
The bridge received a Condition Grade of B (77/100) 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
USH 12/18-W BELTLI has a Condition Score of 77/100 (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.
USH 12/18-W BELTLI was built in 1975 and reconstructed in 1988, making it 51 years old. The average bridge age in the United States is 48 years.
USH 12/18-W BELTLI carries approximately 131K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 68.2 meters long and located on USH 12/18-W BELTLI in 0.1m E JCT Cth Mc, Dane County, Wisconsin.
No, USH 12/18-W BELTLI is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
USH 12/18-W BELTLI is located 0.1m E JCT Cth Mc in Dane County, Wisconsin. The bridge carries USH 12/18-W BELTLI over Cmstpp RR. Its coordinates are 43.043342, -89.366097. It is maintained by State Highway Agency.
USH 12/18-W BELTLI carries USH 12/18-W BELTLI over Cmstpp RR. The bridge is 68.2 meters long and was built in 1975, with reconstruction in 1988.
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.