US Bridges

Haystack Drive over Mayers Gulch

Good

Eagle County, Colorado · 2 MI E of Eagle Ranch RD · Structure no. EAGLE-HAYSTACK

Built
2014
11 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
56
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Haystack Drive over Mayers Gulch is a prestressed concrete stringer/multi-beam or girder carrying Haystack Drive over Mayers Gulch in Eagle County, Colorado. It was built in 2014, so it is 11 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 56 vehicles a day, roughly 1% of them trucks, projected to reach 70 by 2040. The structure is 102 ft (31.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHaystack Drive
CrossesMayers Gulch
Location2 MI E of Eagle Ranch RD
RouteCity Street 0
Coordinates39.61899, -106.79255
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length102 ft (31.2 m)
Longest span97 ft (29.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2020)
Projected traffic70 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Haystack Drive over Mayers Gulch built?

It was built in 2014, making it 11 years old in 2025.

What condition is Haystack Drive over Mayers Gulch 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 June 2024.

How much traffic does Haystack Drive over Mayers Gulch carry?

About 56 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Haystack Drive over Mayers Gulch?

The structure is 102 ft (31.2 m) long with a longest span of 97 ft (29.7 m) and a deck 33 ft wide.

Who owns Haystack Drive over Mayers Gulch?

It is owned by the Town or Township Highway Agency.