US Bridges

SH 52 Ml over Denver Hudson Canal

Fair

Weld County, Colorado · 3.5 MI E of JCT I-76 · Structure no. D-18-B

Built
1952
73 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
2 main spans
Daily traffic
2,900
2020 count
Owner
State
State Highway Agency

About this bridge

SH 52 Ml over Denver Hudson Canal is a wood or timber stringer/multi-beam or girder carrying SH 52 Ml over Denver Hudson Canal in Weld County, Colorado. It was built in 1952, so it is 73 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 2,900 vehicles a day, roughly 14% of them trucks, projected to reach 4,234 by 2040. The structure is 47 ft (14.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 52 Ml
CrossesDenver Hudson Canal
Location3.5 MI E of JCT I-76
RouteState Highway 52A
Coordinates40.07321, -104.58477
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 12 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 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 rating47.8 US tons
Inventory rating33.1 US tons

Structure

MaterialWood or Timber
DeckCorrugated steel
Main spans2
Design loadH 20
Structure length47 ft (14.2 m)
Longest span23 ft (6.9 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2020)
Projected traffic4,234 by 2040
Trucks14%
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

OwnerState Highway Agency
Maintained byState 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 SH 52 Ml over Denver Hudson Canal built?

It was built in 1952, making it 73 years old in 2025.

What condition is SH 52 Ml over Denver Hudson 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 March 2025.

How much traffic does SH 52 Ml over Denver Hudson Canal carry?

About 2,900 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is SH 52 Ml over Denver Hudson Canal?

The structure is 47 ft (14.2 m) long with a longest span of 23 ft (6.9 m) and a deck 31 ft wide.

Who owns SH 52 Ml over Denver Hudson Canal?

It is owned by the State Highway Agency.