US Bridges

27th Way over Skunk Creek

Good

Boulder County, Colorado · 0.2 MI No of ST HWY 93 · Structure no. BOLD-13-0.30-1A

Built
2008
17 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
10,468
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

27th Way over Skunk Creek is a concrete culvert carrying 27th Way over Skunk Creek in Boulder County, Colorado. It was built in 2008, so it is 17 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 10,468 vehicles a day, roughly 5% of them trucks, projected to reach 12,561 by 2043. The structure is 20 ft (6.1 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries27th Way
CrossesSkunk Creek
Location0.2 MI No of ST HWY 93
RouteCity Street 0
Coordinates39.99882, -105.26001
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating82.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width74 ft (22.6 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,468 (2023)
Projected traffic12,561 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 27th Way over Skunk Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is 27th Way over Skunk Creek 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 February 2025.

How much traffic does 27th Way over Skunk Creek carry?

About 10,468 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 27th Way over Skunk Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 74 ft wide.

Who owns 27th Way over Skunk Creek?

It is owned by the City or Municipal Highway Agency.