US Bridges

US 191 over Stockton Wash

Fair

Graham County, Arizona · 23.9 MI N JCT I-10 · Structure no. 00201

Built
1938
87 years old, rebuilt 1977
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
138 ft
5 main spans
Daily traffic
2,901
2022 count
Owner
State
State Highway Agency

About this bridge

US 191 over Stockton Wash is a concrete continuous slab carrying US 191 over Stockton Wash in Graham County, Arizona. It was built in 1938 and reconstructed in 1977, so it is 87 years old, older than the Arizona average of 47.8 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 2,901 vehicles a day, roughly 19% of them trucks, projected to reach 2,912 by 2042. The structure is 138 ft (42.1 m) long and 47 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS 191
CrossesStockton Wash
Location23.9 MI N JCT I-10
RouteU.S. Route 191
CountyGraham County
StateArizona
Coordinates32.69341, -109.7077
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length138 ft (42.1 m)
Longest span25 ft (7.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,901 (2022)
Projected traffic2,912 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 191 over Stockton Wash built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1977.

What condition is US 191 over Stockton 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 August 2023.

How much traffic does US 191 over Stockton Wash carry?

About 2,901 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is US 191 over Stockton Wash?

The structure is 138 ft (42.1 m) long with a longest span of 25 ft (7.6 m) and a deck 47 ft wide.

Who owns US 191 over Stockton Wash?

It is owned by the State Highway Agency.