US Bridges

Ramp to I225 SB over I 225 Ml

Good

Arapahoe County, Colorado · WB Alameda to I225 SB · Structure no. F-17-AX

Built
2000
25 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
427 ft
3 main spans
Daily traffic
132,000
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to I225 SB over I 225 Ml is a steel continuous stringer/multi-beam or girder carrying Ramp to I225 SB over I 225 Ml in Arapahoe County, Colorado. It was built in 2000, so it is 25 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 132,000 vehicles a day, roughly 7% of them trucks, projected to reach 166,320 by 2040. The structure is 427 ft (130.1 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamp to I225 SB
CrossesI 225 Ml
LocationWB Alameda to I225 SB
RouteInterstate 225A
Coordinates39.71035, -104.82632
Functional classUrban Principal Arterial - Interstate

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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.2 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length427 ft (130.1 m)
Longest span154 ft (46.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132,000 (2020)
Projected traffic166,320 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp to I225 SB over I 225 Ml built?

It was built in 2000, making it 25 years old in 2025.

What condition is Ramp to I225 SB over I 225 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 Ramp to I225 SB over I 225 Ml carry?

About 132,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Ramp to I225 SB over I 225 Ml?

The structure is 427 ft (130.1 m) long with a longest span of 154 ft (46.9 m) and a deck 39 ft wide.

Who owns Ramp to I225 SB over I 225 Ml?

It is owned by the State Highway Agency.