US Bridges

Ross Road over North Turkey Creek

Fair

Jefferson County, Colorado · Tinytown · Structure no. E-17-85

Built
1973
52 years old
Condition
Fair
inspected March 2025
Type
Culvert
Concrete
Length
50 ft
3 main spans
Daily traffic
116
2020 count
Owner
County
County Highway Agency

About this bridge

Ross Road over North Turkey Creek is a concrete culvert carrying Ross Road over North Turkey Creek in Jefferson County, Colorado. It was built in 1973, so it is 52 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 116 vehicles a day, roughly 4% of them trucks, projected to reach 133 by 2040. The structure is 50 ft (15.2 m) long and 40 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesRoss Road
CrossesNorth Turkey Creek
LocationTinytown
RouteCounty Highway 0
CountyJefferson County
StateColorado
Coordinates39.60171, -105.22364
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span19 ft (5.7 m)
Deck width40 ft (12.1 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2020)
Projected traffic133 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ross Road over North Turkey Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Ross Road over North Turkey 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 March 2025.

How much traffic does Ross Road over North Turkey Creek carry?

About 116 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Ross Road over North Turkey Creek?

The structure is 50 ft (15.2 m) long with a longest span of 19 ft (5.7 m) and a deck 40 ft wide.

Who owns Ross Road over North Turkey Creek?

It is owned by the County Highway Agency.