US Bridges

IRR SR 95 over Plomosa Wash

Fair

La Paz County, Arizona · 1.5 MI N I 10 JCT · Structure no. 02046

Built
1987
38 years old, rebuilt 2002
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
3,024
2022 count
Owner
State
State Highway Agency

About this bridge

IRR SR 95 over Plomosa Wash is a concrete continuous slab carrying IRR SR 95 over Plomosa Wash in La Paz County, Arizona. It was built in 1987 and reconstructed in 2002, so it is 38 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 3,024 vehicles a day, roughly 22% of them trucks, projected to reach 3,034 by 2042. The structure is 83 ft (25.3 m) long and 84 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR SR 95
CrossesPlomosa Wash
Location1.5 MI N I 10 JCT
RouteState Highway 95
StateArizona
Coordinates33.675, -114.2171
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span30 ft (9.1 m)
Deck width84 ft (25.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,024 (2022)
Projected traffic3,034 by 2042
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 IRR SR 95 over Plomosa Wash built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2002.

What condition is IRR SR 95 over Plomosa Wash 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 January 2024.

How much traffic does IRR SR 95 over Plomosa Wash carry?

About 3,024 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is IRR SR 95 over Plomosa Wash?

The structure is 83 ft (25.3 m) long with a longest span of 30 ft (9.1 m) and a deck 84 ft wide.

Who owns IRR SR 95 over Plomosa Wash?

It is owned by the State Highway Agency.