US Bridges

SH 119 Ml over North Beaver Creek

Fair

Boulder County, Colorado · In Nederland · Structure no. E-14-R

Built
1948
77 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
4,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 119 Ml over North Beaver Creek is a concrete culvert carrying SH 119 Ml over North Beaver Creek in Boulder County, Colorado. It was built in 1948, so it is 77 years old, older 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 4,000 vehicles a day, roughly 3% of them trucks, projected to reach 4,640 by 2040. The structure is 23 ft (7 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 119 Ml
CrossesNorth Beaver Creek
LocationIn Nederland
RouteState Highway 119A
Coordinates39.96285, -105.50975
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.7 US tons
Inventory rating44.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2020)
Projected traffic4,640 by 2040
Trucks3%
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

OwnerState Highway Agency
Maintained byState Highway Agency
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 SH 119 Ml over North Beaver Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is SH 119 Ml over North Beaver Creek 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 August 2023.

How much traffic does SH 119 Ml over North Beaver Creek carry?

About 4,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 119 Ml over North Beaver Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns SH 119 Ml over North Beaver Creek?

It is owned by the State Highway Agency.