US Bridges

US 40 Ml over Colorado River

Fair

Grand County, Colorado · 0.9 MI E of JCT SH 125 · Structure no. D-13-F

Built
1995
30 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
3,800
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over Colorado River is a prestressed concrete stringer/multi-beam or girder carrying US 40 Ml over Colorado River in Grand County, Colorado. It was built in 1995, so it is 30 years old, younger 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 3,800 vehicles a day, roughly 6% of them trucks, projected to reach 4,408 by 2040. The structure is 108 ft (32.8 m) long and 43 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesUS 40 Ml
CrossesColorado River
Location0.9 MI E of JCT SH 125
RouteU.S. Route 40A
Coordinates40.10036, -105.97304
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length108 ft (32.8 m)
Longest span105 ft (32 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2020)
Projected traffic4,408 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 Colorado River built?

It was built in 1995, making it 30 years old in 2025.

What condition is US 40 Ml over Colorado River 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 October 2024.

How much traffic does US 40 Ml over Colorado River carry?

About 3,800 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 40 Ml over Colorado River?

The structure is 108 ft (32.8 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns US 40 Ml over Colorado River?

It is owned by the State Highway Agency.