US Bridges

US 287 Ml over Pedestrian Underpass

Good

Adams County, Colorado · 3.95 MI N of US 36 · Structure no. E-16-NI

Built
1999
26 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
27,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over Pedestrian Underpass is a concrete culvert carrying US 287 Ml over Pedestrian Underpass in Adams County, Colorado. It was built in 1999, so it is 26 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 27,000 vehicles a day, roughly 2% of them trucks, projected to reach 32,940 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 287 Ml
CrossesPedestrian Underpass
Location3.95 MI N of US 36
RouteU.S. Route 287C
Coordinates39.89381, -105.02488
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating99.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2020)
Projected traffic32,940 by 2040
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed3.1 mi (5 km)
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 287 Ml over Pedestrian Underpass built?

It was built in 1999, making it 26 years old in 2025.

What condition is US 287 Ml over Pedestrian Underpass 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 February 2023.

How much traffic does US 287 Ml over Pedestrian Underpass carry?

About 27,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is US 287 Ml over Pedestrian Underpass?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns US 287 Ml over Pedestrian Underpass?

It is owned by the State Highway Agency.