US Bridges

19th ST over US 6 Ml

Good

Jefferson County, Colorado · 1.0 MI S of SH58 · Structure no. F-16-ZH

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
125 ft
2 main spans
Daily traffic
11,220
2024 count
Owner
State
State Highway Agency

About this bridge

19th ST over US 6 Ml is a prestressed concrete continuous box beam or girders - multiple carrying 19th ST over US 6 Ml in Jefferson County, Colorado. It was built in 2017, so it is 8 years old, younger 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 11,220 vehicles a day, roughly 5% of them trucks, projected to reach 12,903 by 2044. The structure is 125 ft (38.1 m) long and 280 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries19th ST
CrossesUS 6 Ml
Location1.0 MI S of SH58
RouteCity Street 0
Coordinates39.74566, -105.22373
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
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 alignment7: Better than present minimum criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length125 ft (38.1 m)
Longest span61 ft (18.6 m)
Deck width280 ft (85.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,220 (2024)
Projected traffic12,903 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 19th ST over US 6 Ml built?

It was built in 2017, making it 8 years old in 2025.

What condition is 19th ST over US 6 Ml 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 November 2023.

How much traffic does 19th ST over US 6 Ml carry?

About 11,220 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 19th ST over US 6 Ml?

The structure is 125 ft (38.1 m) long with a longest span of 61 ft (18.6 m) and a deck 280 ft wide.

Who owns 19th ST over US 6 Ml?

It is owned by the State Highway Agency.