US Bridges

Manville RD over Cap Canal

Fair

Pima County, Arizona · 1.5 MI W. of N. Sandario · Structure no. 11540

Built
1988
37 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
1,195
2022 count
Owner
County
County Highway Agency

About this bridge

Manville RD over Cap Canal is a concrete continuous slab carrying Manville RD over Cap Canal in Pima County, Arizona. It was built in 1988, so it is 37 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 1,195 vehicles a day, roughly 1% of them trucks, projected to reach 1,205 by 2042. The structure is 38 ft (11.6 m) long and 49 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesManville RD
CrossesCap Canal
Location1.5 MI W. of N. Sandario
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.2918, -111.2447
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span17 ft (5.2 m)
Deck width49 ft (14.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,195 (2022)
Projected traffic1,205 by 2042
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Manville RD over Cap Canal built?

It was built in 1988, making it 37 years old in 2025.

What condition is Manville RD over Cap Canal 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 February 2024.

How much traffic does Manville RD over Cap Canal carry?

About 1,195 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Manville RD over Cap Canal?

The structure is 38 ft (11.6 m) long with a longest span of 17 ft (5.2 m) and a deck 49 ft wide.

Who owns Manville RD over Cap Canal?

It is owned by the County Highway Agency.