US Bridges

County Road 8 over Tributary of Amity Canal

Fair

Prowers County, Colorado · 1.7 MI N of Kornman · Structure no. PR8-7-36.1-20

Built
1960
65 years old, rebuilt 2006
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
1,200
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 8 over Tributary of Amity Canal is a steel stringer/multi-beam or girder carrying County Road 8 over Tributary of Amity Canal in Prowers County, Colorado. It was built in 1960 and reconstructed in 2006, so it is 65 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 1,200 vehicles a day, roughly 2% of them trucks, projected to reach 1,428 by 2042. The structure is 41 ft (12.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 8
CrossesTributary of Amity Canal
Location1.7 MI N of Kornman
RouteCounty Highway 0
CountyProwers County
StateColorado
Coordinates38.17427, -102.61406
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating51.7 US tons
Inventory rating30.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span38 ft (11.5 m)
Deck width29 ft (8.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,428 by 2042
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 8 over Tributary of Amity Canal built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.

What condition is County Road 8 over Tributary of Amity Canal 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 April 2023.

How much traffic does County Road 8 over Tributary of Amity Canal carry?

About 1,200 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 8 over Tributary of Amity Canal?

The structure is 41 ft (12.4 m) long with a longest span of 38 ft (11.5 m) and a deck 29 ft wide.

Who owns County Road 8 over Tributary of Amity Canal?

It is owned by the County Highway Agency.