US Bridges

US 36 Ml over SH 224 Ml/N Broadway

Fair

Adams County, Colorado · US 36 over North Broadway · Structure no. E-17-NB

Built
1986
39 years old, rebuilt 1997
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
145 ft
4 main spans
Daily traffic
144,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 36 Ml over SH 224 Ml/N Broadway is a steel continuous stringer/multi-beam or girder carrying US 36 Ml over SH 224 Ml/N Broadway in Adams County, Colorado. It was built in 1986 and reconstructed in 1997, so it is 39 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 144,000 vehicles a day, roughly 2% of them trucks, projected to reach 180,000 by 2040. The structure is 145 ft (44.3 m) long and 145 ft wide.

CarriesUS 36 Ml
CrossesSH 224 Ml/N Broadway
LocationUS 36 over North Broadway
RouteU.S. Route 36B
Coordinates39.82739, -104.98763
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.9 US tons
Inventory rating31.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length145 ft (44.3 m)
Longest span48 ft (14.6 m)
Deck width145 ft (44.2 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144,000 (2020)
Projected traffic180,000 by 2040
Trucks2%
Lanes on structure8
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 36 Ml over SH 224 Ml/N Broadway built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 1997.

What condition is US 36 Ml over SH 224 Ml/N Broadway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does US 36 Ml over SH 224 Ml/N Broadway carry?

About 144,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is US 36 Ml over SH 224 Ml/N Broadway?

The structure is 145 ft (44.3 m) long with a longest span of 48 ft (14.6 m) and a deck 145 ft wide.

Who owns US 36 Ml over SH 224 Ml/N Broadway?

It is owned by the State Highway Agency.