US Bridges

N. 95th ST (CR19) over Left Hand Creek

Good

Boulder County, Colorado · 0.4 MI S of SH 119 · Structure no. BC-19-9.0-LT-A

Built
2009
16 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
11,067
2023 count
Owner
County
County Highway Agency

About this bridge

N. 95th ST (CR19) over Left Hand Creek is a prestressed concrete box beam or girders - multiple carrying N. 95th ST (CR19) over Left Hand Creek in Boulder County, Colorado. It was built in 2009, so it is 16 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 11,067 vehicles a day, roughly 4% of them trucks, projected to reach 13,280 by 2043. The structure is 103 ft (31.3 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN. 95th ST (CR19)
CrossesLeft Hand Creek
Location0.4 MI S of SH 119
RouteCounty Highway 0
Coordinates40.13411, -105.13084
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.9 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.3 m)
Longest span97 ft (29.6 m)
Deck width58 ft (17.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,067 (2023)
Projected traffic13,280 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 N. 95th ST (CR19) over Left Hand Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is N. 95th ST (CR19) over Left Hand 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 N. 95th ST (CR19) over Left Hand Creek carry?

About 11,067 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is N. 95th ST (CR19) over Left Hand Creek?

The structure is 103 ft (31.3 m) long with a longest span of 97 ft (29.6 m) and a deck 58 ft wide.

Who owns N. 95th ST (CR19) over Left Hand Creek?

It is owned by the County Highway Agency.