US Bridges

Perry Street over US 6 Ml

Poor

Denver County, Colorado · In Denver · Structure no. F-16-GG

Built
1964
61 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
1 main span
Daily traffic
9,607
2024 count
Owner
State
State Highway Agency

About this bridge

Perry Street over US 6 Ml is a steel stringer/multi-beam or girder carrying Perry Street over US 6 Ml in Denver County, Colorado. It was built in 1964, so it is 61 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 9,607 vehicles a day, roughly 4% of them trucks, projected to reach 10,664 by 2044. The structure is 91 ft (27.7 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPerry Street
CrossesUS 6 Ml
LocationIn Denver
RouteCity Street 0
Coordinates39.72553, -105.03938
Functional classUrban Collector

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.4 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span88 ft (26.7 m)
Deck width58 ft (17.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,607 (2024)
Projected traffic10,664 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Perry Street over US 6 Ml built?

It was built in 1964, making it 61 years old in 2025.

What condition is Perry Street over US 6 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 December 2023.

How much traffic does Perry Street over US 6 Ml carry?

About 9,607 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Perry Street over US 6 Ml?

The structure is 91 ft (27.7 m) long with a longest span of 88 ft (26.7 m) and a deck 58 ft wide.

Who owns Perry Street over US 6 Ml?

It is owned by the State Highway Agency.