US Bridges

I 76 Ml over Upper Platte Beaver Ditc

Fair

Morgan County, Colorado · 0.4 MI E of JCT SH 52 · Structure no. C-21-BG

Built
1958
67 years old
Condition
Fair
inspected February 2025
Type
Culvert
Steel
Length
35 ft
1 main span
Daily traffic
15,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 76 Ml over Upper Platte Beaver Ditc is a steel culvert carrying I 76 Ml over Upper Platte Beaver Ditc in Morgan County, Colorado. It was built in 1958, so it is 67 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 15,000 vehicles a day, roughly 17% of them trucks, projected to reach 20,700 by 2040. The structure is 35 ft (10.8 m) long and 204 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 76 Ml
CrossesUpper Platte Beaver Ditc
Location0.4 MI E of JCT SH 52
RouteInterstate 76A
Coordinates40.26314, -103.79408
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length35 ft (10.8 m)
Longest span35 ft (10.8 m)
Deck width204 ft (62.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2020)
Projected traffic20,700 by 2040
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 76 Ml over Upper Platte Beaver Ditc built?

It was built in 1958, making it 67 years old in 2025.

What condition is I 76 Ml over Upper Platte Beaver Ditc 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 I 76 Ml over Upper Platte Beaver Ditc carry?

About 15,000 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is I 76 Ml over Upper Platte Beaver Ditc?

The structure is 35 ft (10.8 m) long with a longest span of 35 ft (10.8 m) and a deck 204 ft wide.

Who owns I 76 Ml over Upper Platte Beaver Ditc?

It is owned by the State Highway Agency.