SH 121 SB
SH 121 SB in 1.55 MI SW Of Denton C/L, Dallas County, Texas received a condition grade of A (81/100). Built in 2009, the bridge carries 143K vehicles daily on SH 121 SB over W Sandy Lake RD.
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
SH 121 SB is a 17-year-old bridge located 1.55 MI SW Of Denton C/L in Dallas County, Texas. The bridge carries SH 121 SB over W Sandy Lake RD with 4 traffic lanes, handling approximately 143K vehicles per day. Built in 2009, the structure spans 76.2 meters.
The bridge received a Condition Grade of A (81/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
SH 121 SB has a Condition Score of 81/100 (Grade A). Its deck is rated 7/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
SH 121 SB was built in 2009, making it 17 years old. The average bridge age in the United States is 48 years.
SH 121 SB carries approximately 143K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 76.2 meters long and located on SH 121 SB in 1.55 MI SW Of Denton C/L, Dallas County, Texas.
No, SH 121 SB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
SH 121 SB is located 1.55 MI SW Of Denton C/L in Dallas County, Texas. The bridge carries SH 121 SB over W Sandy Lake RD. Its coordinates are 32.973178, -97.028561. It is maintained by State Highway Agency.
SH 121 SB carries SH 121 SB over W Sandy Lake RD. The bridge is 76.2 meters long and was built in 2009.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.