BridgeSafety
Arapahoe County, CO · Structure #F-17-GG

I 225 ML

I 225 ML in In Aurora, Arapahoe County, Colorado received a condition grade of B (76/100). Built in 1965, the bridge carries 140K vehicles daily on I 225 ML over Tollgate Creek.

B
76/100
76
Condition Score
140K
Daily Traffic
1965
Year Built
60.7m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
8/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I 225 ML
Crosses Over
Tollgate Creek
State
Colorado
County
Arapahoe County
Location
In Aurora
Year Built
1965
Reconstructed
1987
Age
61 years
Daily Traffic
140,000
Lanes
8
Length
60.7 meters
Owner
State Highway Agency
Structure Number
F-17-GG

About This Bridge

I 225 ML is a 61-year-old bridge located In Aurora in Arapahoe County, Colorado. The bridge carries I 225 ML over Tollgate Creek with 8 traffic lanes, handling approximately 140K vehicles per day. Built in 1965 and reconstructed in 1987, the structure spans 60.7 meters.

The bridge received a Condition Grade of B (76/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

In Aurora, Arapahoe County, Colorado

39.732639, -104.825058

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Frequently Asked Questions

I 225 ML has a Condition Score of 76/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

I 225 ML was built in 1965 and reconstructed in 1987, making it 61 years old. The average bridge age in the United States is 48 years.

I 225 ML carries approximately 140K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 60.7 meters long and located on I 225 ML in In Aurora, Arapahoe 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 In Aurora in Arapahoe County, Colorado. The bridge carries I 225 ML over Tollgate Creek. Its coordinates are 39.732639, -104.825058. It is maintained by State Highway Agency.

I 225 ML carries I 225 ML over Tollgate Creek. The bridge is 60.7 meters long and was built in 1965, with reconstruction in 1987.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.