US Bridges

US 285 Nbnd over SH 88/FEDERAL Blvd

Good

Arapahoe County, Colorado · US HWY 285 over SH 88/FED · Structure no. F-16-YG

Built
2012
13 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
31,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 285 Nbnd over SH 88/FEDERAL Blvd is a prestressed concrete stringer/multi-beam or girder carrying US 285 Nbnd over SH 88/FEDERAL Blvd in Arapahoe County, Colorado. It was built in 2012, so it is 13 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 31,000 vehicles a day, roughly 2% of them trucks, projected to reach 35,340 by 2040. The structure is 103 ft (31.4 m) long and 63 ft wide.

CarriesUS 285 Nbnd
CrossesSH 88/FEDERAL Blvd
LocationUS HWY 285 over SH 88/FED
RouteU.S. Route 285D
Coordinates39.65215, -105.02504
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating48.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2020)
Projected traffic35,340 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 285 Nbnd over SH 88/FEDERAL Blvd built?

It was built in 2012, making it 13 years old in 2025.

What condition is US 285 Nbnd over SH 88/FEDERAL Blvd 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 May 2024.

How much traffic does US 285 Nbnd over SH 88/FEDERAL Blvd carry?

About 31,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is US 285 Nbnd over SH 88/FEDERAL Blvd?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 63 ft wide.

Who owns US 285 Nbnd over SH 88/FEDERAL Blvd?

It is owned by the State Highway Agency.