US Bridges

SH 119 Ml over Cottonwood Creek

Fair

Gilpin County, Colorado · 1.9 MI No of JCT US 6 · Structure no. E-15-H

Built
1939
86 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
9,400
2020 count
Owner
State
State Highway Agency

About this bridge

SH 119 Ml over Cottonwood Creek is a concrete culvert carrying SH 119 Ml over Cottonwood Creek in Gilpin County, Colorado. It was built in 1939, so it is 86 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 5 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 9,400 vehicles a day, roughly 3% of them trucks, projected to reach 12,690 by 2040. The structure is 44 ft (13.4 m) long and 48 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesSH 119 Ml
CrossesCottonwood Creek
Location1.9 MI No of JCT US 6
RouteState Highway 119A
Coordinates39.76316, -105.42487
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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating64.4 US tons
Inventory rating38.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length44 ft (13.4 m)
Longest span13 ft (4 m)
Deck width48 ft (14.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2020)
Projected traffic12,690 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Cottonwood Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is SH 119 Ml over Cottonwood 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 Cottonwood Creek carry?

About 9,400 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 119 Ml over Cottonwood Creek?

The structure is 44 ft (13.4 m) long with a longest span of 13 ft (4 m) and a deck 48 ft wide.

Who owns SH 119 Ml over Cottonwood Creek?

It is owned by the State Highway Agency.