US Bridges

Oatman HWY over Sacramento Wash

Good

Mohave County, Arizona · 0.5 MI North of I 40 · Structure no. 11502

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
1 main span
Daily traffic
1,642
2023 count
Owner
County
County Highway Agency

About this bridge

Oatman HWY over Sacramento Wash is a steel stringer/multi-beam or girder carrying Oatman HWY over Sacramento Wash in Mohave County, Arizona. It was built in 2017, so it is 8 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 1,642 vehicles a day, roughly 5% of them trucks, projected to reach 1,652 by 2042. The structure is 114 ft (34.7 m) long and 39 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesOatman HWY
CrossesSacramento Wash
Location0.5 MI North of I 40
RouteCounty Highway 0
CountyMohave County
StateArizona
Coordinates34.727, -114.4776
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length114 ft (34.7 m)
Longest span112 ft (34.1 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,642 (2023)
Projected traffic1,652 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Oatman HWY over Sacramento Wash built?

It was built in 2017, making it 8 years old in 2025.

What condition is Oatman HWY over Sacramento 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 2023.

How much traffic does Oatman HWY over Sacramento Wash carry?

About 1,642 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Oatman HWY over Sacramento Wash?

The structure is 114 ft (34.7 m) long with a longest span of 112 ft (34.1 m) and a deck 39 ft wide.

Who owns Oatman HWY over Sacramento Wash?

It is owned by the County Highway Agency.