US Bridges

County Rd. 56 over Harmony No. 1 Canal

Fair

Logan County, Colorado · 0.1 MI S of US HWY 138 · Structure no. LOG56-73.9-158A

Built
2016
9 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
—
2022 count
Owner
County
County Highway Agency

About this bridge

County Rd. 56 over Harmony No. 1 Canal is a prestressed concrete tee beam carrying County Rd. 56 over Harmony No. 1 Canal in Logan County, Colorado. It was built in 2016, so it is 9 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.

No traffic count is recorded. The structure is 54 ft (16.5 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Rd. 56
CrossesHarmony No. 1 Canal
Location0.1 MI S of US HWY 138
RouteCounty Highway 0
CountyLogan County
StateColorado
Coordinates40.83583, -102.86765
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span51 ft (15.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks50%
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 Rd. 56 over Harmony No. 1 Canal built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Rd. 56 over Harmony No. 1 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 December 2023.

How much traffic does County Rd. 56 over Harmony No. 1 Canal carry?

No traffic count is recorded for this structure.

How long is County Rd. 56 over Harmony No. 1 Canal?

The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.5 m) and a deck 34 ft wide.

Who owns County Rd. 56 over Harmony No. 1 Canal?

It is owned by the County Highway Agency.