US Bridges

Windy Mesa Road over Nash Wash

Poor

Grand County, Utah · 14.5 Miles N. of SR-128 · Structure no. 019027F

Built
1987
38 years old
Condition
Poor
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
7
2010 count
Owner
County
County Highway Agency

About this bridge

Windy Mesa Road over Nash Wash is a prestressed concrete tee beam carrying Windy Mesa Road over Nash Wash in Grand County, Utah. It was built in 1987, so it is 38 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7 vehicles a day, roughly 20% of them trucks, projected to reach 8 by 2030. The structure is 58 ft (17.7 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWindy Mesa Road
CrossesNash Wash
Location14.5 Miles N. of SR-128
RouteCounty Highway 0
StateUtah
Coordinates39.06042, -109.57078
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length58 ft (17.7 m)
Longest span54 ft (16.5 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic7 (2010)
Projected traffic8 by 2030
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Windy Mesa Road over Nash Wash built?

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

What condition is Windy Mesa Road over Nash Wash in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Windy Mesa Road over Nash Wash carry?

About 7 vehicles per day (2010 count), of which roughly 20% are trucks.

How long is Windy Mesa Road over Nash Wash?

The structure is 58 ft (17.7 m) long with a longest span of 54 ft (16.5 m) and a deck 15 ft wide.

Who owns Windy Mesa Road over Nash Wash?

It is owned by the County Highway Agency.