US Bridges

SH 52 Ml over UPRR Platte Beaver Canal

Fair

Morgan County, Colorado · 0.3 MI No of JCT SH 144 · Structure no. C-21-AV

Built
1951
74 years old, rebuilt 1971
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
5,800
2020 count
Owner
State
State Highway Agency

About this bridge

SH 52 Ml over UPRR Platte Beaver Canal is a steel stringer/multi-beam or girder carrying SH 52 Ml over UPRR Platte Beaver Canal in Morgan County, Colorado. It was built in 1951 and reconstructed in 1971, so it is 74 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 5,800 vehicles a day, roughly 6% of them trucks, projected to reach 6,554 by 2040. The structure is 44 ft (13.4 m) long and 71 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSH 52 Ml
CrossesUPRR Platte Beaver Canal
Location0.3 MI No of JCT SH 144
RouteState Highway 52B
Coordinates40.26491, -103.80124
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width71 ft (21.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2020)
Projected traffic6,554 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 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$168,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 52 Ml over UPRR Platte Beaver Canal built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1971.

What condition is SH 52 Ml over UPRR Platte Beaver 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 February 2025.

How much traffic does SH 52 Ml over UPRR Platte Beaver Canal carry?

About 5,800 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SH 52 Ml over UPRR Platte Beaver Canal?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 71 ft wide.

Who owns SH 52 Ml over UPRR Platte Beaver Canal?

It is owned by the State Highway Agency.