US Bridges

NB Central Park Bl over Greenway Trail

Good

Denver County, Colorado · North of 25th Avenue · Structure no. D-28-MS-150

Built
2004
21 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
170 ft
3 main spans
Daily traffic
11,085
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

NB Central Park Bl over Greenway Trail is a prestressed concrete continuous box beam or girders - multiple carrying NB Central Park Bl over Greenway Trail in Denver County, Colorado. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,085 vehicles a day, roughly 2% of them trucks, projected to reach 12,305 by 2041. The structure is 170 ft (51.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB Central Park Bl
CrossesGreenway Trail
LocationNorth of 25th Avenue
RouteCity Street 0
Coordinates39.75409, -104.89048
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.1 US tons
Inventory rating44.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span119 ft (36.3 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,085 (2021)
Projected traffic12,305 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 NB Central Park Bl over Greenway Trail built?

It was built in 2004, making it 21 years old in 2025.

What condition is NB Central Park Bl over Greenway Trail 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 2024.

How much traffic does NB Central Park Bl over Greenway Trail carry?

About 11,085 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is NB Central Park Bl over Greenway Trail?

The structure is 170 ft (51.8 m) long with a longest span of 119 ft (36.3 m) and a deck 42 ft wide.

Who owns NB Central Park Bl over Greenway Trail?

It is owned by the City or Municipal Highway Agency.