SH 183
SH 183 in 0.8 MI SE Of Sh114/Sh183, Dallas County, Texas received a condition grade of B (66/100). Built in 1959, the bridge carries 130K vehicles daily on SH 183 over Elm Frk Trinity Riv & RR.
SH 183 carries a B on the BridgeSafety Condition Score with 66/100. 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 1959 and is now 67 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. SH 183 carries an average daily traffic count of 130,493 vehicles, with 2 lane(s) crossing Elm Frk Trinity Riv & 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
SH 183 is a 67-year-old bridge located 0.8 MI SE Of Sh114/Sh183 in Dallas County, Texas. The bridge carries SH 183 over Elm Frk Trinity Riv & RR with 2 traffic lanes, handling approximately 130K vehicles per day. Built in 1959 and reconstructed in 1982, the structure spans 689.2 meters.
The bridge received a Condition Grade of B (66/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
SH 183 has a Condition Score of 66/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
SH 183 was built in 1959 and reconstructed in 1982, making it 67 years old. The average bridge age in the United States is 48 years.
SH 183 carries approximately 130K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 689.2 meters long and located on SH 183 in 0.8 MI SE Of Sh114/Sh183, Dallas County, Texas.
No, SH 183 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 183 is located 0.8 MI SE Of Sh114/Sh183 in Dallas County, Texas. The bridge carries SH 183 over Elm Frk Trinity Riv & RR. Its coordinates are 32.829958, -96.889697. It is maintained by State Highway Agency.
SH 183 carries SH 183 over Elm Frk Trinity Riv & RR. The bridge is 689.2 meters long and was built in 1959, with reconstruction in 1982.
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.