I 225 ML
I 225 ML in Aurora 1.25 S Of JCT I 70, Adams County, Colorado received a condition grade of A (93/100). Built in 1990, the bridge carries 121K vehicles daily on I 225 ML over 28th & 30th AVE Sand.
I 225 ML carries an A on the BridgeSafety Condition Score with 93/100. 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 1990, making it 36 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. I 225 ML carries an average daily traffic count of 121,000 vehicles, with 6 lane(s) crossing 28th & 30th AVE Sand. 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
I 225 ML is a 36-year-old bridge located Aurora 1.25 S Of JCT I 70 in Adams County, Colorado. The bridge carries I 225 ML over 28th & 30th AVE Sand with 6 traffic lanes, handling approximately 121K vehicles per day. Built in 1990, the structure spans 121 meters.
The bridge received a Condition Grade of A (93/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 9/9 (good), and substructure 9/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 225 ML has a Condition Score of 93/100 (Grade A). Its deck is rated 7/9, superstructure 9/9, and substructure 9/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 225 ML was built in 1990, making it 36 years old. The average bridge age in the United States is 48 years.
I 225 ML carries approximately 121K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 121 meters long and located on I 225 ML in Aurora 1.25 S Of JCT I 70, Adams County, Colorado.
No, I 225 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.
I 225 ML is located Aurora 1.25 S Of JCT I 70 in Adams County, Colorado. The bridge carries I 225 ML over 28th & 30th AVE Sand. Its coordinates are 39.756028, -104.827461. It is maintained by State Highway Agency.
I 225 ML carries I 225 ML over 28th & 30th AVE Sand. The bridge is 121 meters long and was built in 1990.
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.