US Bridges

SH 9 Ml over Pedestrian Underpass

Good

Summit County, Colorado · 200 Ft S of Peak One Blvd · Structure no. F-12-AE

Built
2023
2 years old
Condition
Good
inspected August 2023
Type
Frame
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
22,287
2023 count
Owner
State
State Highway Agency

About this bridge

SH 9 Ml over Pedestrian Underpass is a aluminum, wrought iron, or cast iron frame carrying SH 9 Ml over Pedestrian Underpass in Summit County, Colorado. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 22,287 vehicles a day, roughly 4% of them trucks, projected to reach 25,820 by 2042. The structure is 25 ft (7.5 m) long and 109 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSH 9 Ml
CrossesPedestrian Underpass
Location200 Ft S of Peak One Blvd
RouteState Highway 9C
Coordinates39.57253, -106.07929
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
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span25 ft (7.5 m)
Deck width109 ft (33.2 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,287 (2023)
Projected traffic25,820 by 2042
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 9 Ml over Pedestrian Underpass built?

It was built in 2023, making it 2 years old in 2025.

What condition is SH 9 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 August 2023.

How much traffic does SH 9 Ml over Pedestrian Underpass carry?

About 22,287 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SH 9 Ml over Pedestrian Underpass?

The structure is 25 ft (7.5 m) long with a longest span of 25 ft (7.5 m) and a deck 109 ft wide.

Who owns SH 9 Ml over Pedestrian Underpass?

It is owned by the State Highway Agency.