US Bridges

S. Main ST over Moccasin Wash

Good

Mohave County, Arizona · 3.8MI N SR389 @ MP19.2 · Structure no. 11375

Built
2014
11 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

S. Main ST over Moccasin Wash is a concrete culvert carrying S. Main ST over Moccasin Wash in Mohave County, Arizona. It was built in 2014, so it is 11 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 150 vehicles a day, roughly 1% of them trucks, projected to reach 160 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesS. Main ST
CrossesMoccasin Wash
Location3.8MI N SR389 @ MP19.2
RouteCounty Highway 0
CountyMohave County
StateArizona
Coordinates36.9033, -112.7546
Functional classRural Local

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic160 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 S. Main ST over Moccasin Wash built?

It was built in 2014, making it 11 years old in 2025.

What condition is S. Main ST over Moccasin 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 September 2024.

How much traffic does S. Main ST over Moccasin Wash carry?

About 150 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is S. Main ST over Moccasin Wash?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns S. Main ST over Moccasin Wash?

It is owned by the County Highway Agency.