US Bridges

Avenue 75E over Cap Canal

Fair

La Paz County, Arizona · @cap Milepost 76.773 · Structure no. 00990

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
105
2024 count
Owner
State
Other State Agency

About this bridge

Avenue 75E over Cap Canal is a prestressed concrete stringer/multi-beam or girder carrying Avenue 75E over Cap Canal in La Paz County, Arizona. It was built in 1977, so it is 48 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 105 vehicles a day, projected to reach 115 by 2042. The structure is 87 ft (26.5 m) long and 44 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesAvenue 75E
CrossesCap Canal
Location@cap Milepost 76.773
RouteFederal Lands Road 0
StateArizona
Coordinates33.58242, -113.35244
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span85 ft (25.9 m)
Deck width44 ft (13.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2024)
Projected traffic115 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Avenue 75E over Cap Canal built?

It was built in 1977, making it 48 years old in 2025.

What condition is Avenue 75E 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 Avenue 75E over Cap Canal carry?

About 105 vehicles per day (2024 count).

How long is Avenue 75E over Cap Canal?

The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 44 ft wide.

Who owns Avenue 75E over Cap Canal?

It is owned by the Other State Agency.