US Bridges

County Road 8 over Riverside Canal

Fair

Morgan County, Colorado · 0.7 MI N of CO RD Aa · Structure no. MG8-0.7-AA-A

Built
1990
35 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
23
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 8 over Riverside Canal is a steel stringer/multi-beam or girder carrying County Road 8 over Riverside Canal in Morgan County, Colorado. It was built in 1990, so it is 35 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 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 23 vehicles a day, roughly 40% of them trucks, projected to reach 29 by 2043. The structure is 31 ft (9.5 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 8
CrossesRiverside Canal
Location0.7 MI N of CO RD Aa
RouteCounty Highway 0
CountyMorgan County
StateColorado
Coordinates40.38894, -103.99414
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length31 ft (9.5 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23 (2023)
Projected traffic29 by 2043
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Riverside Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is County Road 8 over Riverside 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 2024.

How much traffic does County Road 8 over Riverside Canal carry?

About 23 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is County Road 8 over Riverside Canal?

The structure is 31 ft (9.5 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns County Road 8 over Riverside Canal?

It is owned by the County Highway Agency.