US Bridges

US 34 Ml over Uppr Platte Beaver Canal

Fair

Morgan County, Colorado · 6.1 MI E of JCT SH 52 · Structure no. C-22-B

Built
1940
85 years old, rebuilt 1958
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
4,300
2020 count
Owner
State
State Highway Agency

About this bridge

US 34 Ml over Uppr Platte Beaver Canal is a steel stringer/multi-beam or girder carrying US 34 Ml over Uppr Platte Beaver Canal in Morgan County, Colorado. It was built in 1940 and reconstructed in 1958, so it is 85 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 4,300 vehicles a day, roughly 11% of them trucks, projected to reach 4,988 by 2040. The structure is 44 ft (13.5 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 34 Ml
CrossesUppr Platte Beaver Canal
Location6.1 MI E of JCT SH 52
RouteU.S. Route 34B
Coordinates40.25432, -103.68724
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span39 ft (12 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2020)
Projected traffic4,988 by 2040
Trucks11%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 34 Ml over Uppr Platte Beaver Canal built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1958.

What condition is US 34 Ml over Uppr 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 January 2024.

How much traffic does US 34 Ml over Uppr Platte Beaver Canal carry?

About 4,300 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is US 34 Ml over Uppr Platte Beaver Canal?

The structure is 44 ft (13.5 m) long with a longest span of 39 ft (12 m) and a deck 48 ft wide.

Who owns US 34 Ml over Uppr Platte Beaver Canal?

It is owned by the State Highway Agency.