US Bridges

Huron Street over Nwp

Fair

Broomfield County, Colorado · 0.50 MI from I25 · Structure no. NWP-0.50

Built
2002
23 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
280 ft
2 main spans
Daily traffic
5,000
2009 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Huron Street over Nwp is a prestressed concrete continuous stringer/multi-beam or girder carrying Huron Street over Nwp in Broomfield County, Colorado. It was built in 2002, so it is 23 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 5,000 vehicles a day, projected to reach 10,000 by 2029. The structure is 280 ft (85.3 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHuron Street
CrossesNwp
Location0.50 MI from I25
RouteCity Street 0
Coordinates39.9834, -104.99719
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length280 ft (85.3 m)
Longest span150 ft (45.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2009)
Projected traffic10,000 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 Huron Street over Nwp built?

It was built in 2002, making it 23 years old in 2025.

What condition is Huron Street over Nwp 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 June 2023.

How much traffic does Huron Street over Nwp carry?

About 5,000 vehicles per day (2009 count).

How long is Huron Street over Nwp?

The structure is 280 ft (85.3 m) long with a longest span of 150 ft (45.8 m) and a deck 43 ft wide.

Who owns Huron Street over Nwp?

It is owned by the Local Toll Authority.