US Bridges

SR722 Carroll Summ over Eastgate Wash

Fair

Churchill County, Nevada · East of Middle Gate · Structure no. B 105

Built
1935
90 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
54 ft
2 main spans
Daily traffic
40
2017 count
Owner
State
State Highway Agency

About this bridge

SR722 Carroll Summ over Eastgate Wash is a concrete stringer/multi-beam or girder carrying SR722 Carroll Summ over Eastgate Wash in Churchill County, Nevada. It was built in 1935, so it is 90 years old, older than the Nevada average of 36.4 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 40 vehicles a day, roughly 4% of them trucks, projected to reach 99 by 2040. The structure is 54 ft (16.5 m) long and 27 ft wide. If it were closed, the detour would be 77.1 mi (124 km).

CarriesSR722 Carroll Summ
CrossesEastgate Wash
LocationEast of Middle Gate
RouteState Highway 722
StateNevada
Coordinates39.3055, -117.87976
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length54 ft (16.5 m)
Longest span26 ft (7.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2017)
Projected traffic99 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed77.1 mi (124 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$238,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR722 Carroll Summ over Eastgate Wash built?

It was built in 1935, making it 90 years old in 2025.

What condition is SR722 Carroll Summ over Eastgate 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 March 2023.

How much traffic does SR722 Carroll Summ over Eastgate Wash carry?

About 40 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is SR722 Carroll Summ over Eastgate Wash?

The structure is 54 ft (16.5 m) long with a longest span of 26 ft (7.9 m) and a deck 27 ft wide.

Who owns SR722 Carroll Summ over Eastgate Wash?

It is owned by the State Highway Agency.