US Bridges

N. 95th ST (cr 19) over Liggett Ditch

Good

Boulder County, Colorado · 1.2 MI S of CO RD 38 · Structure no. BC-19-14.6-ID

Built
1984
41 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
7,744
2023 count
Owner
County
County Highway Agency

About this bridge

N. 95th ST (cr 19) over Liggett Ditch is a concrete culvert carrying N. 95th ST (cr 19) over Liggett Ditch in Boulder County, Colorado. It was built in 1984, so it is 41 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 7,744 vehicles a day, roughly 13% of them trucks, projected to reach 9,292 by 2043. The structure is 22 ft (6.8 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesN. 95th ST (cr 19)
CrossesLiggett Ditch
Location1.2 MI S of CO RD 38
RouteCounty Highway 0
CountyBoulder County
StateColorado
Coordinates40.05462, -105.13116
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating72.9 US tons
Inventory rating43.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.8 m)
Longest span22 ft (6.8 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,744 (2023)
Projected traffic9,292 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 N. 95th ST (cr 19) over Liggett Ditch built?

It was built in 1984, making it 41 years old in 2025.

What condition is N. 95th ST (cr 19) over Liggett Ditch 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 N. 95th ST (cr 19) over Liggett Ditch carry?

About 7,744 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is N. 95th ST (cr 19) over Liggett Ditch?

The structure is 22 ft (6.8 m) long with a longest span of 22 ft (6.8 m) and a deck 38 ft wide.

Who owns N. 95th ST (cr 19) over Liggett Ditch?

It is owned by the County Highway Agency.