US Bridges

SH 119 Ml over South Boulder Creek

Fair

Gilpin County, Colorado · Rollinsville · Structure no. E-14-BE

Built
1989
36 years old
Condition
Fair
inspected August 2023
Type
Frame
Concrete
Length
33 ft
1 main span
Daily traffic
3,100
2020 count
Owner
State
State Highway Agency

About this bridge

SH 119 Ml over South Boulder Creek is a concrete frame carrying SH 119 Ml over South Boulder Creek in Gilpin County, Colorado. It was built in 1989, so it is 36 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 3,100 vehicles a day, roughly 4% of them trucks, projected to reach 3,596 by 2040. The structure is 33 ft (10 m) long and 84 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 119 Ml
CrossesSouth Boulder Creek
LocationRollinsville
RouteState Highway 119A
Coordinates39.91457, -105.50181
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.7 US tons
Inventory rating40.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length33 ft (10 m)
Longest span30 ft (9.1 m)
Deck width84 ft (25.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2020)
Projected traffic3,596 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 South Boulder Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is SH 119 Ml over South Boulder 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 South Boulder Creek carry?

About 3,100 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is SH 119 Ml over South Boulder Creek?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9.1 m) and a deck 84 ft wide.

Who owns SH 119 Ml over South Boulder Creek?

It is owned by the State Highway Agency.