US Bridges

Hudson Road over Henrylynn Canal

Fair

Adams County, Colorado · 0.1 MI N of 164th · Structure no. ADA23N-164.0326

Built
2006
19 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
572
2021 count
Owner
County
County Highway Agency

About this bridge

Hudson Road over Henrylynn Canal is a steel stringer/multi-beam or girder carrying Hudson Road over Henrylynn Canal in Adams County, Colorado. It was built in 2006, so it is 19 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.

It carries about 572 vehicles a day, roughly 2% of them trucks, projected to reach 744 by 2041. The structure is 77 ft (23.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHudson Road
CrossesHenrylynn Canal
Location0.1 MI N of 164th
RouteCounty Highway 0
CountyAdams County
StateColorado
Coordinates39.995, -104.6217
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.2 US tons
Inventory rating12.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic572 (2021)
Projected traffic744 by 2041
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 Hudson Road over Henrylynn Canal built?

It was built in 2006, making it 19 years old in 2025.

What condition is Hudson Road over Henrylynn 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 Hudson Road over Henrylynn Canal carry?

About 572 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Hudson Road over Henrylynn Canal?

The structure is 77 ft (23.5 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns Hudson Road over Henrylynn Canal?

It is owned by the County Highway Agency.