US Bridges

US 40 Ml over Pedestrian Underpass

Good

Grand County, Colorado · .9 MI SE of Winter Park · Structure no. E-13-Y

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
11,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over Pedestrian Underpass is a concrete culvert carrying US 40 Ml over Pedestrian Underpass in Grand 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 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 11,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,100 by 2040. The structure is 23 ft (7 m) long and 67 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 40 Ml
CrossesPedestrian Underpass
Location.9 MI SE of Winter Park
RouteU.S. Route 40A
Coordinates39.89896, -105.77471
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
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2020)
Projected traffic12,100 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed0.6 mi (1 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 40 Ml over Pedestrian Underpass built?

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

What condition is US 40 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 October 2024.

How much traffic does US 40 Ml over Pedestrian Underpass carry?

About 11,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is US 40 Ml over Pedestrian Underpass?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 67 ft wide.

Who owns US 40 Ml over Pedestrian Underpass?

It is owned by the State Highway Agency.