SH 161 NBML
SH 161 NBML in 2.28 MI S Of Sh 183, Dallas County, Texas received a condition grade of A (81/100). Built in 2009, the bridge carries 156K vehicles daily on SH 161 NBML over Trinity BLVD Shady Gr.
SH 161 NBML carries an A on the BridgeSafety Condition Score with 81/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
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 NBML carries an average daily traffic count of 156,000 vehicles, with 3 lane(s) crossing Trinity BLVD Shady Gr. 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 NBML is a 17-year-old bridge located 2.28 MI S Of Sh 183 in Dallas County, Texas. The bridge carries SH 161 NBML over Trinity BLVD Shady Gr with 3 traffic lanes, handling approximately 156K vehicles per day. Built in 2009, the structure spans 631.9 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 Local Toll Authority.
Location Map
Frequently Asked Questions
SH 161 NBML 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 161 NBML was built in 2009, making it 17 years old. The average bridge age in the United States is 48 years.
SH 161 NBML carries approximately 156K vehicles per day (average daily traffic). The bridge has 3 traffic lanes. It is 631.9 meters long and located on SH 161 NBML in 2.28 MI S Of Sh 183, Dallas County, Texas.
No, SH 161 NBML 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 NBML is located 2.28 MI S Of Sh 183 in Dallas County, Texas. The bridge carries SH 161 NBML over Trinity BLVD Shady Gr. Its coordinates are 32.801133, -97.018272. It is maintained by Local Toll Authority.
SH 161 NBML carries SH 161 NBML over Trinity BLVD Shady Gr. The bridge is 631.9 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.