US Bridges

I225 Ml Sbnd over Iliff Ave

Fair

Arapahoe County, Colorado · In Aurora · Structure no. F-17-HV

Built
2005
20 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
206 ft
2 main spans
Daily traffic
61,500
2020 count
Owner
State
State Highway Agency

About this bridge

I225 Ml Sbnd over Iliff Ave is a prestressed concrete continuous box beam or girders - single or spread carrying I225 Ml Sbnd over Iliff Ave in Arapahoe County, Colorado. It was built in 2005, so it is 20 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 61,500 vehicles a day, roughly 7% of them trucks, projected to reach 78,105 by 2040. The structure is 206 ft (62.7 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI225 Ml Sbnd
CrossesIliff Ave
LocationIn Aurora
RouteInterstate 225A
Coordinates39.67454, -104.8287
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 rating64.3 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length206 ft (62.7 m)
Longest span105 ft (32 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,500 (2020)
Projected traffic78,105 by 2040
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I225 Ml Sbnd over Iliff Ave built?

It was built in 2005, making it 20 years old in 2025.

What condition is I225 Ml Sbnd over Iliff Ave 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 May 2023.

How much traffic does I225 Ml Sbnd over Iliff Ave carry?

About 61,500 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is I225 Ml Sbnd over Iliff Ave?

The structure is 206 ft (62.7 m) long with a longest span of 105 ft (32 m) and a deck 75 ft wide.

Who owns I225 Ml Sbnd over Iliff Ave?

It is owned by the State Highway Agency.