US Bridges

County Road 18.5 over Fort Morgan Canal

Fair

Morgan County, Colorado · 0.2 MI North of CR Q · Structure no. MG18.5-0.2-Q

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
817
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 18.5 over Fort Morgan Canal is a steel stringer/multi-beam or girder carrying County Road 18.5 over Fort Morgan Canal in Morgan County, Colorado. It was built in 1960, 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 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 817 vehicles a day, roughly 27% of them trucks, projected to reach 1,038 by 2043. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty Road 18.5
CrossesFort Morgan Canal
Location0.2 MI North of CR Q
RouteCounty Highway 0
CountyMorgan County
StateColorado
Coordinates40.23461, -103.80156
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span29 ft (8.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic817 (2023)
Projected traffic1,038 by 2043
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 18.5 over Fort Morgan Canal built?

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

What condition is County Road 18.5 over Fort Morgan 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 November 2024.

How much traffic does County Road 18.5 over Fort Morgan Canal carry?

About 817 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is County Road 18.5 over Fort Morgan Canal?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.7 m) and a deck 24 ft wide.

Who owns County Road 18.5 over Fort Morgan Canal?

It is owned by the County Highway Agency.