SH 161 NB ML
SH 161 NB ML in 1.40 MI South Of Sh 183, Dallas County, Texas received a condition grade of B (78/100). Built in 2009, the bridge carries 156K vehicles daily on SH 161 NB ML over Rock Island RD Bear CR.
SH 161 NB ML carries a B on the BridgeSafety Condition Score with 78/100. 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 2009 and is 17 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. SH 161 NB ML carries an average daily traffic count of 156,000 vehicles, with 3 lane(s) crossing Rock Island RD Bear CR. The owning agency is Local Toll Authority; 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
SH 161 NB ML is a 17-year-old bridge located 1.40 MI South Of Sh 183 in Dallas County, Texas. The bridge carries SH 161 NB ML over Rock Island RD Bear CR with 3 traffic lanes, handling approximately 156K vehicles per day. Built in 2009, the structure spans 1887.6 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 Local Toll Authority.
Location Map
Frequently Asked Questions
SH 161 NB ML 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 161 NB ML was built in 2009, making it 17 years old. The average bridge age in the United States is 48 years.
SH 161 NB ML carries approximately 156K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 1887.6 meters long and located on SH 161 NB ML in 1.40 MI South Of Sh 183, Dallas County, Texas.
No, SH 161 NB ML 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 161 NB ML is located 1.40 MI South Of Sh 183 in Dallas County, Texas. The bridge carries SH 161 NB ML over Rock Island RD Bear CR. Its coordinates are 32.815883, -97.018078. It is maintained by Local Toll Authority.
SH 161 NB ML carries SH 161 NB ML over Rock Island RD Bear CR. The bridge is 1887.6 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.
Source: FHWA National Bridge Inventory, 2026.