US Bridges

County Road 3 over Jackson Lake Inlet Canal

Fair

Morgan County, Colorado · 1.0 MI N of CO RD Y.5 · Structure no. MG3-1.0-Y.5

Built
1982
43 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
2 main spans
Daily traffic
282
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 3 over Jackson Lake Inlet Canal is a steel stringer/multi-beam or girder carrying County Road 3 over Jackson Lake Inlet Canal in Morgan County, Colorado. It was built in 1982, so it is 43 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 282 vehicles a day, roughly 15% of them trucks, projected to reach 358 by 2043. The structure is 81 ft (24.8 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 3
CrossesJackson Lake Inlet Canal
Location1.0 MI N of CO RD Y.5
RouteCounty Highway 0
Coordinates40.37036, -104.08964
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.4 US tons
Inventory rating55.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span39 ft (11.8 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic282 (2023)
Projected traffic358 by 2043
Trucks15%
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 3 over Jackson Lake Inlet Canal built?

It was built in 1982, making it 43 years old in 2025.

What condition is County Road 3 over Jackson Lake Inlet 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 3 over Jackson Lake Inlet Canal carry?

About 282 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is County Road 3 over Jackson Lake Inlet Canal?

The structure is 81 ft (24.8 m) long with a longest span of 39 ft (11.8 m) and a deck 28 ft wide.

Who owns County Road 3 over Jackson Lake Inlet Canal?

It is owned by the County Highway Agency.