Structure E-17-AEO · Denver County, CO

Steele St. over I 70 Ml

Carries Steele St. over I 70 Ml, 0.47 Mi W Of Co BLVD.

Overall conditionGood

Set by its lowest-rated component: Superstructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT203 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

203 ft end to end, longest span 97 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built20206 years old
Length203.1 ft61.9 m
Daily traffic19,000counted 2021
Last inspectedJuly 2024every 24 months

Location

StateColorado
CountyDenver
Location0.47 Mi W Of Co BLVD
CarriesSteele St.
CrossesI 70 Ml
Coordinates39.78039, -104.95014

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length203.1 ft (61.9 m)
Max Span96.8 ft (29.5 m)
Deck Width113.8 ft (34.7 m)
Deck Area2147.9 sq m
Main Spans2
Year Built2020

Traffic

Avg Daily Traffic19,000 (2021)
Truck Traffic7%
Lanes On Bridge7
Lanes Under Bridge10

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerOther Local Agencies
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberE-17-AEO

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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