US Bridges

I 225 Ml over Draw

Fair

Adams County, Colorado · In Aurora · Structure no. F-17-BF

Built
1964
61 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
54 ft
4 main spans
Daily traffic
121,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 225 Ml over Draw is a concrete culvert carrying I 225 Ml over Draw in Adams County, Colorado. It was built in 1964, so it is 61 years old, older 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 121,000 vehicles a day, roughly 7% of them trucks, projected to reach 154,880 by 2040. The structure is 54 ft (16.6 m) long and 276 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI 225 Ml
CrossesDraw
LocationIn Aurora
RouteInterstate 225A
Coordinates39.75093, -104.82634
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.9 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length54 ft (16.6 m)
Longest span15 ft (4.5 m)
Deck width276 ft (84 m)
Roadway width89 ft (27.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,000 (2020)
Projected traffic154,880 by 2040
Trucks7%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost$804,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 225 Ml over Draw built?

It was built in 1964, making it 61 years old in 2025.

What condition is I 225 Ml over Draw 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 January 2025.

How much traffic does I 225 Ml over Draw carry?

About 121,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is I 225 Ml over Draw?

The structure is 54 ft (16.6 m) long with a longest span of 15 ft (4.5 m) and a deck 276 ft wide.

Who owns I 225 Ml over Draw?

It is owned by the State Highway Agency.