US Bridges

Rita RD over Large Channel

Fair

Pima County, Arizona · 1 MI N of I 10 · Structure no. 08470

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
65 ft
6 main spans
Daily traffic
2,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rita RD over Large Channel is a concrete continuous culvert carrying Rita RD over Large Channel in Pima County, Arizona. It was built in 1978, so it is 47 years old, younger 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 2,500 vehicles a day, roughly 10% of them trucks, projected to reach 2,510 by 2042. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRita RD
CrossesLarge Channel
Location1 MI N of I 10
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.09758, -110.80322
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic2,510 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rita RD over Large Channel built?

It was built in 1978, making it 47 years old in 2025.

What condition is Rita RD over Large Channel 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 November 2023.

How much traffic does Rita RD over Large Channel carry?

About 2,500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Rita RD over Large Channel?

The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m).

Who owns Rita RD over Large Channel?

It is owned by the City or Municipal Highway Agency.