US Bridges

Curtis Road over San Jose Canal

Poor

Graham County, Arizona · 0.5 MI N JCT Buena Vst RD · Structure no. 09960

Built
1987
38 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
21
2024 count
Owner
County
County Highway Agency

About this bridge

Curtis Road over San Jose Canal is a steel stringer/multi-beam or girder carrying Curtis Road over San Jose Canal in Graham County, Arizona. It was built in 1987, so it is 38 years old, younger than the Arizona average of 47.8 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 21 vehicles a day, projected to reach 31 by 2042. The structure is 44 ft (13.4 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCurtis Road
CrossesSan Jose Canal
Location0.5 MI N JCT Buena Vst RD
RouteCounty Highway 0
StateArizona
Coordinates32.8422, -109.571
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating52 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2024)
Projected traffic31 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Curtis Road over San Jose Canal built?

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

What condition is Curtis Road over San Jose Canal 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 October 2024.

How much traffic does Curtis Road over San Jose Canal carry?

About 21 vehicles per day (2024 count).

How long is Curtis Road over San Jose Canal?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 19 ft wide.

Who owns Curtis Road over San Jose Canal?

It is owned by the County Highway Agency.