US Bridges

US 285 Ml over Pleasant Park Rd.

Good

Jefferson County, Colorado · Conifer · Structure no. F-15-DI

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
25,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 285 Ml over Pleasant Park Rd. is a prestressed concrete box beam or girders - multiple carrying US 285 Ml over Pleasant Park Rd. in Jefferson County, Colorado. It was built in 2003, so it is 22 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 25,000 vehicles a day, roughly 3% of them trucks, projected to reach 30,500 by 2040. The structure is 61 ft (18.6 m) long and 113 ft wide.

CarriesUS 285 Ml
CrossesPleasant Park Rd.
LocationConifer
RouteU.S. Route 285D
Coordinates39.52186, -105.3059
Functional classRural Principal Arterial - Other

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating30.1 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width113 ft (34.3 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2020)
Projected traffic30,500 by 2040
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US 285 Ml over Pleasant Park Rd. built?

It was built in 2003, making it 22 years old in 2025.

What condition is US 285 Ml over Pleasant Park Rd. 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 August 2023.

How much traffic does US 285 Ml over Pleasant Park Rd. carry?

About 25,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US 285 Ml over Pleasant Park Rd.?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 113 ft wide.

Who owns US 285 Ml over Pleasant Park Rd.?

It is owned by the State Highway Agency.