US Bridges

S.B. Speer Blvd over Base Fill Material

Good

Denver County, Colorado · Arapahoe at Speer Blvd · Structure no. D-01-CC-083

Built
1957
68 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
124 ft
9 main spans
Daily traffic
27,920
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

S.B. Speer Blvd over Base Fill Material is a concrete continuous slab carrying S.B. Speer Blvd over Base Fill Material in Denver County, Colorado. It was built in 1957, so it is 68 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 27,920 vehicles a day, roughly 4% of them trucks, projected to reach 30,991 by 2041. The structure is 124 ft (37.8 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS.B. Speer Blvd
CrossesBase Fill Material
LocationArapahoe at Speer Blvd
RouteCity Street 0
Coordinates39.74387, -105.00043
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadUnknown
Structure length124 ft (37.8 m)
Longest span12 ft (3.7 m)
Deck width25 ft (7.5 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,920 (2021)
Projected traffic30,991 by 2041
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.B. Speer Blvd over Base Fill Material built?

It was built in 1957, making it 68 years old in 2025.

What condition is S.B. Speer Blvd over Base Fill Material in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does S.B. Speer Blvd over Base Fill Material carry?

About 27,920 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is S.B. Speer Blvd over Base Fill Material?

The structure is 124 ft (37.8 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.

Who owns S.B. Speer Blvd over Base Fill Material?

It is owned by the City or Municipal Highway Agency.