US Bridges

Gun Club RD/E470 over I 70 Ml

Good

Arapahoe County, Colorado · 0.5 MI E of JCT US 40 · Structure no. F-18-AW

Built
1973
52 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
188 ft
2 main spans
Daily traffic
9,400
2024 count
Owner
State
State Highway Agency

About this bridge

Gun Club RD/E470 over I 70 Ml is a prestressed concrete stringer/multi-beam or girder carrying Gun Club RD/E470 over I 70 Ml in Arapahoe County, Colorado. It was built in 1973, so it is 52 years old, older 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 9,400 vehicles a day, roughly 20% of them trucks, projected to reach 12,220 by 2044. The structure is 188 ft (57.3 m) long and 91 ft wide.

CarriesGun Club RD/E470
CrossesI 70 Ml
Location0.5 MI E of JCT US 40
RouteCounty Highway 0
Coordinates39.73994, -104.71584
Functional classUrban Local

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 inspectionJune 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 rating110.1 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length188 ft (57.3 m)
Longest span90 ft (27.4 m)
Deck width91 ft (27.6 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2024)
Projected traffic12,220 by 2044
Trucks20%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Gun Club RD/E470 over I 70 Ml built?

It was built in 1973, making it 52 years old in 2025.

What condition is Gun Club RD/E470 over I 70 Ml 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 June 2023.

How much traffic does Gun Club RD/E470 over I 70 Ml carry?

About 9,400 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Gun Club RD/E470 over I 70 Ml?

The structure is 188 ft (57.3 m) long with a longest span of 90 ft (27.4 m) and a deck 91 ft wide.

Who owns Gun Club RD/E470 over I 70 Ml?

It is owned by the State Highway Agency.