US Bridges

Old Blk Canyon HWY over Green Gulch

Fair

Yavapai County, Arizona · 1.0 MI SE JCT SR 169 · Structure no. 08248

Built
1900
125 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
330
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Blk Canyon HWY over Green Gulch is a concrete slab carrying Old Blk Canyon HWY over Green Gulch in Yavapai County, Arizona. It was built in 1900, so it is 125 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 330 vehicles a day, roughly 5% of them trucks, projected to reach 340 by 2042. The structure is 23 ft (7 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOld Blk Canyon HWY
CrossesGreen Gulch
Location1.0 MI SE JCT SR 169
RouteCity Street 0
CountyYavapai County
StateArizona
Coordinates34.5134, -112.2335
Functional classRural Local

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 protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2022)
Projected traffic340 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 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 Old Blk Canyon HWY over Green Gulch built?

It was built in 1900, making it 125 years old in 2025.

What condition is Old Blk Canyon HWY over Green Gulch 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 Old Blk Canyon HWY over Green Gulch carry?

About 330 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Old Blk Canyon HWY over Green Gulch?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 23 ft wide.

Who owns Old Blk Canyon HWY over Green Gulch?

It is owned by the Town or Township Highway Agency.