US Bridges

I70 WB Offramp over 32nd Ave

Good

Jefferson County, Colorado · At 32nd Avenue · Structure no. E-16-XX

Built
2021
4 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
175 ft
2 main spans
Daily traffic
91,000
2020 count
Owner
State
State Highway Agency

About this bridge

I70 WB Offramp over 32nd Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying I70 WB Offramp over 32nd Ave in Jefferson County, Colorado. It was built in 2021, so it is 4 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 91,000 vehicles a day, roughly 8% of them trucks, projected to reach 119,028 by 2042. The structure is 175 ft (53.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI70 WB Offramp
Crosses32nd Ave
LocationAt 32nd Avenue
RouteInterstate 70A
Coordinates39.76189, -105.14348
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length175 ft (53.3 m)
Longest span85 ft (25.9 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91,000 (2020)
Projected traffic119,028 by 2042
Trucks8%
Lanes on structure1
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 I70 WB Offramp over 32nd Ave built?

It was built in 2021, making it 4 years old in 2025.

What condition is I70 WB Offramp over 32nd Ave 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 January 2024.

How much traffic does I70 WB Offramp over 32nd Ave carry?

About 91,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is I70 WB Offramp over 32nd Ave?

The structure is 175 ft (53.3 m) long with a longest span of 85 ft (25.9 m) and a deck 30 ft wide.

Who owns I70 WB Offramp over 32nd Ave?

It is owned by the State Highway Agency.