Structure E-16-DN · Denver County, CO

I 70 Ml over Lowell BLVD

Carries I 70 Ml over Lowell BLVD, Denver.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT142 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

142 ft end to end, longest span 78 ft. 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 tee-beam bridge.

Built196660 years old
Length142.1 ft43.3 m
Daily traffic90,000counted 2020
Last inspectedSeptember 2023every 24 months

Location

StateColorado
CountyDenver
LocationDenver
CarriesI 70 Ml
CrossesLowell BLVD
Coordinates39.78328, -105.03483

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length142.1 ft (43.3 m)
Max Span78.4 ft (23.9 m)
Deck Width106.0 ft (32.3 m)
Deck Area1398.6 sq m
Main Spans3
Year Built1966

Traffic

Avg Daily Traffic90,000 (2020)
Truck Traffic6%
Lanes On Bridge6
Lanes Under Bridge3

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberE-16-DN

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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