US Bridges

US 40 Ml over UP RR

Fair

Grand County, Colorado · Eastern Edge of Granby · Structure no. D-13-W

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
3 main spans
Daily traffic
11,000
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 1985, so it is 40 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 11,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,980 by 2040. The structure is 247 ft (75.4 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 40 Ml
CrossesUP RR
LocationEastern Edge of Granby
RouteU.S. Route 40A
Coordinates40.08374, -105.93041
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.9 US tons
Inventory rating38.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length247 ft (75.4 m)
Longest span105 ft (32 m)
Deck width60 ft (18.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2020)
Projected traffic12,980 by 2040
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 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 1985, making it 40 years old in 2025.

What condition is US 40 Ml over UP RR 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 UP RR carry?

About 11,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is US 40 Ml over UP RR?

The structure is 247 ft (75.4 m) long with a longest span of 105 ft (32 m) and a deck 60 ft wide.

Who owns US 40 Ml over UP RR?

It is owned by the State Highway Agency.