US Bridges

160th Ave over I-25

Good

Broomfield County, Colorado · Just N of NWPKWY-470 · Structure no. E-17-ZN

Built
2003
22 years old
Condition
Good
inspected March 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
326 ft
2 main spans
Daily traffic
10,394
2023 count
Owner
State
State Highway Agency

About this bridge

160th Ave over I-25 is a prestressed concrete continuous stringer/multi-beam or girder carrying 160th Ave over I-25 in Broomfield County, Colorado. It was built in 2003, so it is 22 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 10,394 vehicles a day, roughly 1% of them trucks, projected to reach 12,472 by 2042. The structure is 326 ft (99.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries160th Ave
CrossesI-25
LocationJust N of NWPKWY-470
RouteCity Street 0
Coordinates39.98657, -104.9884
Functional classUrban Collector

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 inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.1 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length326 ft (99.5 m)
Longest span162 ft (49.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,394 (2023)
Projected traffic12,472 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 160th Ave over I-25 built?

It was built in 2003, making it 22 years old in 2025.

What condition is 160th Ave over I-25 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 March 2025.

How much traffic does 160th Ave over I-25 carry?

About 10,394 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is 160th Ave over I-25?

The structure is 326 ft (99.5 m) long with a longest span of 162 ft (49.4 m) and a deck 43 ft wide.

Who owns 160th Ave over I-25?

It is owned by the State Highway Agency.