US Bridges

Trico RD over Santa Cruz River

PoorPosted for load

Pima County, Arizona · 1.4 MI N of Trico-Marana · Structure no. 08262

Built
1962
63 years old, rebuilt 1988
Condition
Poor
inspected December 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
208 ft
6 main spans
Daily traffic
871
2022 count
Owner
County
County Highway Agency

About this bridge

Trico RD over Santa Cruz River is a concrete box beam or girders - multiple carrying Trico RD over Santa Cruz River in Pima County, Arizona. It was built in 1962 and reconstructed in 1988, so it is 63 years old, older 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. Its operating status is: posted for load restriction.

It carries about 871 vehicles a day, projected to reach 881 by 2042. The structure is 208 ft (63.4 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesTrico RD
CrossesSanta Cruz River
Location1.4 MI N of Trico-Marana
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.471, -111.3042
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span36 ft (11 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic871 (2022)
Projected traffic881 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Trico RD over Santa Cruz River built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1988.

What condition is Trico RD over Santa Cruz River 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 December 2023.

How much traffic does Trico RD over Santa Cruz River carry?

About 871 vehicles per day (2022 count).

How long is Trico RD over Santa Cruz River?

The structure is 208 ft (63.4 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.

Who owns Trico RD over Santa Cruz River?

It is owned by the County Highway Agency.