US Bridges

US 40 Ml over Maybell Ditch

Fair

Moffat County, Colorado · 2.8 MI East of Maybell · Structure no. B-04-G

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
760
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over Maybell Ditch is a concrete culvert carrying US 40 Ml over Maybell Ditch in Moffat County, Colorado. It was built in 1963, so it is 62 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 760 vehicles a day, roughly 24% of them trucks, projected to reach 859 by 2040. The structure is 21 ft (6.5 m) long and 48 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 40 Ml
CrossesMaybell Ditch
Location2.8 MI East of Maybell
RouteU.S. Route 40A
Coordinates40.50376, -108.03748
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.1 US tons
Inventory rating28.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span21 ft (6.5 m)
Deck width48 ft (14.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2020)
Projected traffic859 by 2040
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

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 US 40 Ml over Maybell Ditch built?

It was built in 1963, making it 62 years old in 2025.

What condition is US 40 Ml over Maybell Ditch 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 April 2024.

How much traffic does US 40 Ml over Maybell Ditch carry?

About 760 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is US 40 Ml over Maybell Ditch?

The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.5 m) and a deck 48 ft wide.

Who owns US 40 Ml over Maybell Ditch?

It is owned by the State Highway Agency.