US Bridges

Niwot Meadow Farm over Dry Creek No 2

Fair

Boulder County, Colorado · 0.2 MI E of 83rd ST · Structure no. BC-572705-0.2DR

Built
2005
20 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
102
2023 count
Owner
County
County Highway Agency

About this bridge

Niwot Meadow Farm over Dry Creek No 2 is a prestressed concrete box beam or girders - single or spread carrying Niwot Meadow Farm over Dry Creek No 2 in Boulder County, Colorado. It was built in 2005, so it is 20 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 102 vehicles a day, roughly 17% of them trucks, projected to reach 123 by 2043. The structure is 74 ft (22.6 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNiwot Meadow Farm
CrossesDry Creek No 2
Location0.2 MI E of 83rd ST
RouteCounty Highway 0
CountyBoulder County
StateColorado
Coordinates40.10666, -105.15444
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span68 ft (20.6 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2023)
Projected traffic123 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Niwot Meadow Farm over Dry Creek No 2 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Niwot Meadow Farm over Dry Creek No 2 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 February 2025.

How much traffic does Niwot Meadow Farm over Dry Creek No 2 carry?

About 102 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Niwot Meadow Farm over Dry Creek No 2?

The structure is 74 ft (22.6 m) long with a longest span of 68 ft (20.6 m) and a deck 40 ft wide.

Who owns Niwot Meadow Farm over Dry Creek No 2?

It is owned by the County Highway Agency.