US Bridges

I 225 Ml over Smith RD UP RR

Fair

Adams County, Colorado · 0.4 MI S. of JCT I70 · Structure no. E-17-OR

Built
1994
31 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
319 ft
3 main spans
Daily traffic
121,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 225 Ml over Smith RD UP RR is a prestressed concrete continuous stringer/multi-beam or girder carrying I 225 Ml over Smith RD UP RR in Adams County, Colorado. It was built in 1994, so it is 31 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 121,000 vehicles a day, roughly 7% of them trucks, projected to reach 154,880 by 2040. The structure is 319 ft (97.1 m) long and 173 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 225 Ml
CrossesSmith RD UP RR
Location0.4 MI S. of JCT I70
RouteInterstate 225A
Coordinates39.76381, -104.82739
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 inspectionJanuary 2025
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 rating71.4 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length319 ft (97.1 m)
Longest span104 ft (31.8 m)
Deck width173 ft (52.7 m)
Roadway width161 ft (49.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,000 (2020)
Projected traffic154,880 by 2040
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 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 over Smith RD UP RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is I 225 Ml over Smith RD UP RR 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 Smith RD UP RR carry?

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

How long is I 225 Ml over Smith RD UP RR?

The structure is 319 ft (97.1 m) long with a longest span of 104 ft (31.8 m) and a deck 173 ft wide.

Who owns I 225 Ml over Smith RD UP RR?

It is owned by the State Highway Agency.