US Bridges

SR-128 over Sagers Wash

Fair

Grand County, Utah · 4.5 Mi.No.Colorado River · Structure no. 0F 546

Built
1988
37 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
122 ft
2 main spans
Daily traffic
364
2017 count
Owner
State
State Highway Agency

About this bridge

SR-128 over Sagers Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying SR-128 over Sagers Wash in Grand County, Utah. It was built in 1988, so it is 37 years old, younger than the Utah average of 40.1 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 364 vehicles a day, roughly 25% of them trucks, projected to reach 437 by 2037. The structure is 122 ft (37.2 m) long and 42 ft wide. If it were closed, the detour would be 83.3 mi (134 km).

Location

Open in Google Maps
CarriesSR-128
CrossesSagers Wash
Location4.5 Mi.No.Colorado River
RouteState Highway 128
CountyGrand County
StateUtah
Coordinates38.86132, -109.29432
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length122 ft (37.2 m)
Longest span60 ft (18.2 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic364 (2017)
Projected traffic437 by 2037
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed83.3 mi (134 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-128 over Sagers Wash built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR-128 over Sagers Wash 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 September 2023.

How much traffic does SR-128 over Sagers Wash carry?

About 364 vehicles per day (2017 count), of which roughly 25% are trucks.

How long is SR-128 over Sagers Wash?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.2 m) and a deck 42 ft wide.

Who owns SR-128 over Sagers Wash?

It is owned by the State Highway Agency.