US Bridges

SH 470 Ml Ebnd over Broadway

Good

Douglas County, Colorado · 2.5 MI E of JCT US 85 · Structure no. F-17-HW

Built
1984
41 years old, rebuilt 2019
Condition
Good
inspected March 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
192 ft
2 main spans
Daily traffic
41,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 470 Ml Ebnd over Broadway is a prestressed concrete continuous stringer/multi-beam or girder carrying SH 470 Ml Ebnd over Broadway in Douglas County, Colorado. It was built in 1984 and reconstructed in 2019, so it is 41 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 41,000 vehicles a day, roughly 2% of them trucks, projected to reach 54,940 by 2040. The structure is 192 ft (58.4 m) long and 77 ft wide.

CarriesSH 470 Ml Ebnd
CrossesBroadway
Location2.5 MI E of JCT US 85
RouteState Highway 470A
Coordinates39.56402, -104.98811
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 inspectionMarch 2025
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length192 ft (58.4 m)
Longest span98 ft (29.9 m)
Deck width77 ft (23.5 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,000 (2020)
Projected traffic54,940 by 2040
Trucks2%
Lanes on structure3
Traffic directionOne-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 SH 470 Ml Ebnd over Broadway built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2019.

What condition is SH 470 Ml Ebnd over Broadway 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 March 2025.

How much traffic does SH 470 Ml Ebnd over Broadway carry?

About 41,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SH 470 Ml Ebnd over Broadway?

The structure is 192 ft (58.4 m) long with a longest span of 98 ft (29.9 m) and a deck 77 ft wide.

Who owns SH 470 Ml Ebnd over Broadway?

It is owned by the State Highway Agency.