IH 410
IH 410 in 1.3 MI W Off Sp 345, Bexar County, Texas received a condition grade of B (66/100). Built in 1960, the bridge carries 151K vehicles daily on IH 410 over Callaghan RD.
IH 410 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 1960 and is now 66 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. IH 410 carries an average daily traffic count of 151,351 vehicles, with 10 lane(s) crossing Callaghan RD. 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
IH 410 is a 66-year-old bridge located 1.3 MI W Off Sp 345 in Bexar County, Texas. The bridge carries IH 410 over Callaghan RD with 10 traffic lanes, handling approximately 151K vehicles per day. Built in 1960 and reconstructed in 2002, the structure spans 79.2 meters.
The bridge received a Condition Grade of B (66/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
IH 410 has a Condition Score of 66/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
IH 410 was built in 1960 and reconstructed in 2002, making it 66 years old. The average bridge age in the United States is 48 years.
IH 410 carries approximately 151K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 79.2 meters long and located on IH 410 in 1.3 MI W Off Sp 345, Bexar County, Texas.
No, IH 410 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
IH 410 is located 1.3 MI W Off Sp 345 in Bexar County, Texas. The bridge carries IH 410 over Callaghan RD. Its coordinates are 29.489561, -98.574250. It is maintained by State Highway Agency.
IH 410 carries IH 410 over Callaghan RD. The bridge is 79.2 meters long and was built in 1960, with reconstruction in 2002.
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.