US Bridges

I 225 Ml Nbnd over SH 83

Fair

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

Built
2002
23 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
336 ft
2 main spans
Daily traffic
62,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 225 Ml Nbnd over SH 83 is a steel continuous box beam or girders - single or spread carrying I 225 Ml Nbnd over SH 83 in Arapahoe County, Colorado. It was built in 2002, so it is 23 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 62,500 vehicles a day, roughly 6% of them trucks, projected to reach 78,750 by 2040. The structure is 336 ft (102.3 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 225 Ml Nbnd
CrossesSH 83
LocationIn Aurora
RouteInterstate 225A
Coordinates39.65804, -104.84356
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.
Superstructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length336 ft (102.3 m)
Longest span164 ft (50 m)
Deck width62 ft (19 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,500 (2020)
Projected traffic78,750 by 2040
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesThird level (interchange)
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 I 225 Ml Nbnd over SH 83 built?

It was built in 2002, making it 23 years old in 2025.

What condition is I 225 Ml Nbnd over SH 83 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 I 225 Ml Nbnd over SH 83 carry?

About 62,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I 225 Ml Nbnd over SH 83?

The structure is 336 ft (102.3 m) long with a longest span of 164 ft (50 m) and a deck 62 ft wide.

Who owns I 225 Ml Nbnd over SH 83?

It is owned by the State Highway Agency.