US Bridges

US 40 Ml over Red Wash

Good

Moffat County, Colorado · 12 Mi. E. of Dinosaur · Structure no. D-01-O

Built
1971
54 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
630
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over Red Wash is a prestressed concrete stringer/multi-beam or girder carrying US 40 Ml over Red Wash in Moffat County, Colorado. It was built in 1971, so it is 54 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 630 vehicles a day, roughly 20% of them trucks, projected to reach 813 by 2040. The structure is 57 ft (17.3 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 40 Ml
CrossesRed Wash
Location12 Mi. E. of Dinosaur
RouteU.S. Route 40A
Coordinates40.25056, -108.77914
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.7 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length57 ft (17.3 m)
Longest span52 ft (15.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2020)
Projected traffic813 by 2040
Trucks20%
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 Red Wash built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 40 Ml over Red Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does US 40 Ml over Red Wash carry?

About 630 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is US 40 Ml over Red Wash?

The structure is 57 ft (17.3 m) long with a longest span of 52 ft (15.8 m) and a deck 43 ft wide.

Who owns US 40 Ml over Red Wash?

It is owned by the State Highway Agency.