Structure E-16-EO · Denver County, CO

Speer BLVD Sbnd over I 25 Ml

Carries Speer BLVD Sbnd over I 25 Ml, In Denver.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT258 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 5/9

258 ft end to end, longest span 83 ft: about 4 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 rigid-frame bridge.

Built195274 years old
Length257.5 ft78.5 m
Daily traffic23,671counted 2024
Last inspectedJune 2024every 24 months

Location

StateColorado
CountyDenver
LocationIn Denver
CarriesSpeer BLVD Sbnd
CrossesI 25 Ml
Coordinates39.75507, -105.01240

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length257.5 ft (78.5 m)
Max Span83.0 ft (25.3 m)
Deck Width46.3 ft (14.1 m)
Deck Area1106.8 sq m
Main Spans2
Year Built1952

Traffic

Avg Daily Traffic23,671 (2024)
Truck Traffic9%
Lanes On Bridge3
Lanes Under Bridge10

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour CriticalNot applicable
Structure NumberE-16-EO

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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