US Bridges

I25 NB Ramp to 224 over Clear Creek R

Good

Adams County, Colorado · I-25NB to SH224 70th Ave · Structure no. E-17-VS

Built
1998
27 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
302 ft
3 main spans
Daily traffic
10,000
2020 count
Owner
State
State Highway Agency

About this bridge

I25 NB Ramp to 224 over Clear Creek R is a prestressed concrete box beam or girders - single or spread carrying I25 NB Ramp to 224 over Clear Creek R in Adams County, Colorado. It was built in 1998, so it is 27 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 10,000 vehicles a day, roughly 5% of them trucks, projected to reach 11,700 by 2040. The structure is 302 ft (92.1 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI25 NB Ramp to 224
CrossesClear Creek R
LocationI-25NB to SH224 70th Ave
RouteState Highway 224A
Coordinates39.82086, -104.98225
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length302 ft (92.1 m)
Longest span102 ft (31 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2020)
Projected traffic11,700 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 I25 NB Ramp to 224 over Clear Creek R built?

It was built in 1998, making it 27 years old in 2025.

What condition is I25 NB Ramp to 224 over Clear Creek R 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 I25 NB Ramp to 224 over Clear Creek R carry?

About 10,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is I25 NB Ramp to 224 over Clear Creek R?

The structure is 302 ft (92.1 m) long with a longest span of 102 ft (31 m) and a deck 29 ft wide.

Who owns I25 NB Ramp to 224 over Clear Creek R?

It is owned by the State Highway Agency.