US Bridges

Vicksburg Road over Cap Canal

Good

La Paz County, Arizona · @ Cap Milepost 46.05 · Structure no. 01487

Built
1981
44 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
4,256
2023 count
Owner
State
Other State Agency

About this bridge

Vicksburg Road over Cap Canal is a prestressed concrete stringer/multi-beam or girder carrying Vicksburg Road over Cap Canal in La Paz County, Arizona. It was built in 1981, so it is 44 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,256 vehicles a day, roughly 25% of them trucks, projected to reach 4,266 by 2042. The structure is 85 ft (25.9 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesVicksburg Road
CrossesCap Canal
Location@ Cap Milepost 46.05
RouteFederal Lands Road 0
StateArizona
Coordinates33.73386, -113.76344
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span84 ft (25.6 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,256 (2023)
Projected traffic4,266 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Vicksburg Road over Cap Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Vicksburg Road over Cap Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Vicksburg Road over Cap Canal carry?

About 4,256 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Vicksburg Road over Cap Canal?

The structure is 85 ft (25.9 m) long with a longest span of 84 ft (25.6 m) and a deck 35 ft wide.

Who owns Vicksburg Road over Cap Canal?

It is owned by the Other State Agency.