US Bridges

US 287 Ml over Dry Creek

Good

Larimer County, Colorado · 7.2 MI N of JCT SH 66 · Structure no. C-16-BC

Built
2005
20 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
164 ft
2 main spans
Daily traffic
18,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 287 Ml over Dry Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 287 Ml over Dry Creek in Larimer County, Colorado. It was built in 2005, so it is 20 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 18,000 vehicles a day, roughly 3% of them trucks, projected to reach 27,000 by 2040. The structure is 164 ft (50 m) long and 87 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 287 Ml
CrossesDry Creek
Location7.2 MI N of JCT SH 66
RouteU.S. Route 287C
Coordinates40.2937, -105.1025
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating36.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length164 ft (50 m)
Longest span81 ft (24.7 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2020)
Projected traffic27,000 by 2040
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 287 Ml over Dry Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 287 Ml over Dry Creek 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 September 2023.

How much traffic does US 287 Ml over Dry Creek carry?

About 18,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US 287 Ml over Dry Creek?

The structure is 164 ft (50 m) long with a longest span of 81 ft (24.7 m) and a deck 87 ft wide.

Who owns US 287 Ml over Dry Creek?

It is owned by the State Highway Agency.