US Bridges

US 40 Ml over UP RR

Good

Grand County, Colorado · E of Hot Sulphur Springs · Structure no. D-12-R

Built
1987
38 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
277 ft
3 main spans
Daily traffic
3,400
2020 count
Owner
State
State Highway Agency

About this bridge

US 40 Ml over UP RR is a steel continuous stringer/multi-beam or girder carrying US 40 Ml over UP RR in Grand County, Colorado. It was built in 1987, so it is 38 years old, younger 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 3,400 vehicles a day, roughly 7% of them trucks, projected to reach 4,046 by 2040. The structure is 277 ft (84.4 m) long and 43 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesUS 40 Ml
CrossesUP RR
LocationE of Hot Sulphur Springs
RouteU.S. Route 40A
Coordinates40.08493, -106.07585
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length277 ft (84.4 m)
Longest span120 ft (36.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2020)
Projected traffic4,046 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 UP RR built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 40 Ml over UP RR 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 December 2024.

How much traffic does US 40 Ml over UP RR carry?

About 3,400 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is US 40 Ml over UP RR?

The structure is 277 ft (84.4 m) long with a longest span of 120 ft (36.6 m) and a deck 43 ft wide.

Who owns US 40 Ml over UP RR?

It is owned by the State Highway Agency.