US Bridges

County Road 6 over Amity Canal

Poor

Prowers County, Colorado · .6 MI N of US 50 · Structure no. PR6-5.0-325-12A

Built
1988
37 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
245
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 6 over Amity Canal is a steel stringer/multi-beam or girder carrying County Road 6 over Amity Canal in Prowers County, Colorado. It was built in 1988, so it is 37 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 245 vehicles a day, projected to reach 291 by 2042. The structure is 55 ft (16.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 6
CrossesAmity Canal
Location.6 MI N of US 50
RouteCounty Highway 0
CountyProwers County
StateColorado
Coordinates38.12034, -102.64995
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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
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 rating44.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span53 ft (16.2 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (2022)
Projected traffic291 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$131,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 6 over Amity Canal built?

It was built in 1988, making it 37 years old in 2025.

What condition is County Road 6 over Amity Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does County Road 6 over Amity Canal carry?

About 245 vehicles per day (2022 count).

How long is County Road 6 over Amity Canal?

The structure is 55 ft (16.9 m) long with a longest span of 53 ft (16.2 m) and a deck 28 ft wide.

Who owns County Road 6 over Amity Canal?

It is owned by the County Highway Agency.