US Bridges

Martinez Lake RD over Wash

Good

Yuma County, Arizona · 8.04 Miles West of US-95 · Structure no. 11648

Built
2020
5 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
86 ft
8 main spans
Daily traffic
1,231
2020 count
Owner
County
County Highway Agency

About this bridge

Martinez Lake RD over Wash is a concrete culvert carrying Martinez Lake RD over Wash in Yuma County, Arizona. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,231 vehicles a day, roughly 1% of them trucks, projected to reach 1,241 by 2040. The structure is 86 ft (26.2 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMartinez Lake RD
CrossesWash
Location8.04 Miles West of US-95
RouteCounty Highway 0
StateArizona
Coordinates32.9527, -114.4259
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating84 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans8
Design loadHL 93
Structure length86 ft (26.2 m)
Longest span10 ft (3 m)
Deck width65 ft (19.8 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,231 (2020)
Projected traffic1,241 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Martinez Lake RD over Wash built?

It was built in 2020, making it 5 years old in 2025.

What condition is Martinez Lake RD over Wash 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 2025.

How much traffic does Martinez Lake RD over Wash carry?

About 1,231 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Martinez Lake RD over Wash?

The structure is 86 ft (26.2 m) long with a longest span of 10 ft (3 m) and a deck 65 ft wide.

Who owns Martinez Lake RD over Wash?

It is owned by the County Highway Agency.