US Bridges

US 36 Ml over Ramp B & Bikepath

Good

Broomfield County, Colorado · 1.5 MI E. of Superior · Structure no. E-16-HK

Built
2001
24 years old, rebuilt 2013
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
68,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 36 Ml over Ramp B & Bikepath is a prestressed concrete box beam or girders - single or spread carrying US 36 Ml over Ramp B & Bikepath in Broomfield County, Colorado. It was built in 2001 and reconstructed in 2013, so it is 24 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 68,000 vehicles a day, roughly 2% of them trucks, projected to reach 77,520 by 2040. The structure is 57 ft (17.3 m) long and 135 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 36 Ml
CrossesRamp B & Bikepath
Location1.5 MI E. of Superior
RouteU.S. Route 36B
Coordinates39.939, -105.13695
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
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 rating72 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length57 ft (17.3 m)
Longest span53 ft (16.2 m)
Deck width135 ft (41.1 m)
Roadway width128 ft (39 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,000 (2020)
Projected traffic77,520 by 2040
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 36 Ml over Ramp B & Bikepath built?

It was built in 2001, making it 24 years old in 2025. It was reconstructed in 2013.

What condition is US 36 Ml over Ramp B & Bikepath 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 July 2023.

How much traffic does US 36 Ml over Ramp B & Bikepath carry?

About 68,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is US 36 Ml over Ramp B & Bikepath?

The structure is 57 ft (17.3 m) long with a longest span of 53 ft (16.2 m) and a deck 135 ft wide.

Who owns US 36 Ml over Ramp B & Bikepath?

It is owned by the State Highway Agency.