US Bridges

Speer Blvd Sbnd over I 25 Ml

Poor

Denver County, Colorado · In Denver · Structure no. E-16-EO

Built
1952
73 years old
Condition
Poor
inspected June 2024
Type
Frame
Concrete Continuous
Length
258 ft
2 main spans
Daily traffic
23,671
2024 count
Owner
State
State Highway Agency

About this bridge

Speer Blvd Sbnd over I 25 Ml is a concrete continuous frame carrying Speer Blvd Sbnd over I 25 Ml in Denver County, Colorado. It was built in 1952, so it is 73 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 23,671 vehicles a day, roughly 9% of them trucks, projected to reach 26,275 by 2044. The structure is 258 ft (78.5 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSpeer Blvd Sbnd
CrossesI 25 Ml
LocationIn Denver
RouteCity Street 0
Coordinates39.75507, -105.0124
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length258 ft (78.5 m)
Longest span83 ft (25.3 m)
Deck width46 ft (14.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,671 (2024)
Projected traffic26,275 by 2044
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Speer Blvd Sbnd over I 25 Ml built?

It was built in 1952, making it 73 years old in 2025.

What condition is Speer Blvd Sbnd over I 25 Ml in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Speer Blvd Sbnd over I 25 Ml carry?

About 23,671 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Speer Blvd Sbnd over I 25 Ml?

The structure is 258 ft (78.5 m) long with a longest span of 83 ft (25.3 m) and a deck 46 ft wide.

Who owns Speer Blvd Sbnd over I 25 Ml?

It is owned by the State Highway Agency.