US Bridges

I 270 Ebnd over I76 Ramp SH224 Clear Crk

Fair

Adams County, Colorado · 1 Mile East of I-25 · Structure no. E-17-QI

Built
1999
26 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
819 ft
6 main spans
Daily traffic
37,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 270 Ebnd over I76 Ramp SH224 Clear Crk is a prestressed concrete continuous stringer/multi-beam or girder carrying I 270 Ebnd over I76 Ramp SH224 Clear Crk in Adams County, Colorado. It was built in 1999, so it is 26 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 37,500 vehicles a day, roughly 14% of them trucks, projected to reach 47,250 by 2040. The structure is 819 ft (249.6 m) long and 71 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 270 Ebnd
CrossesI76 Ramp SH224 Clear Crk
Location1 Mile East of I-25
RouteInterstate 270B
Coordinates39.82616, -104.96944
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.1 US tons
Inventory rating32.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length819 ft (249.6 m)
Longest span154 ft (46.9 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,500 (2020)
Projected traffic47,250 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 270 Ebnd over I76 Ramp SH224 Clear Crk built?

It was built in 1999, making it 26 years old in 2025.

What condition is I 270 Ebnd over I76 Ramp SH224 Clear Crk 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 September 2024.

How much traffic does I 270 Ebnd over I76 Ramp SH224 Clear Crk carry?

About 37,500 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is I 270 Ebnd over I76 Ramp SH224 Clear Crk?

The structure is 819 ft (249.6 m) long with a longest span of 154 ft (46.9 m) and a deck 71 ft wide.

Who owns I 270 Ebnd over I76 Ramp SH224 Clear Crk?

It is owned by the State Highway Agency.