BridgeSafety
Dallas County, TX · Structure #180570036402431

SH 121 SB

SH 121 SB in 0.85 MI SW Of Denton C/L, Dallas County, Texas received a condition grade of B (78/100). Built in 2009, the bridge carries 143K vehicles daily on SH 121 SB over Freeport Pkwy.

B
78/100
78
Condition Score
143K
Daily Traffic
2009
Year Built
96m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
SH 121 SB
Crosses Over
Freeport Pkwy
State
Texas
County
Dallas County
Location
0.85 MI SW Of Denton C/L
Year Built
2009
Age
17 years
Daily Traffic
142,733
Lanes
4
Length
96 meters
Owner
State Highway Agency
Structure Number
180570036402431

About This Bridge

SH 121 SB is a 17-year-old bridge located 0.85 MI SW Of Denton C/L in Dallas County, Texas. The bridge carries SH 121 SB over Freeport Pkwy with 4 traffic lanes, handling approximately 143K vehicles per day. Built in 2009, the structure spans 96 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

0.85 MI SW Of Denton C/L, Dallas County, Texas

32.980633, -97.020642

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Frequently Asked Questions

SH 121 SB 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.

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 96 meters long and located on SH 121 SB in 0.85 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 0.85 MI SW Of Denton C/L in Dallas County, Texas. The bridge carries SH 121 SB over Freeport Pkwy. Its coordinates are 32.980633, -97.020642. It is maintained by State Highway Agency.

SH 121 SB carries SH 121 SB over Freeport Pkwy. The bridge is 96 meters long and was built in 2009.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.