US Bridges

Main Street over Unnamed Arroyo

Fair

Mohave County, Arizona · Davis Camp · Structure no. 0305-0010

Built
1945
80 years old
Condition
Fair
inspected January 2023
Type
Culvert
Steel
Length
36 ft
4 main spans
Daily traffic
40
2019 count
Owner
Federal
Bureau of Reclamation

About this bridge

Main Street over Unnamed Arroyo is a steel culvert carrying Main Street over Unnamed Arroyo in Mohave County, Arizona. It was built in 1945, so it is 80 years old, older 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 40 vehicles a day, projected to reach 40 by 2039. The structure is 36 ft (11.1 m) long and 24 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesMain Street
CrossesUnnamed Arroyo
LocationDavis Camp
CountyMohave County
StateArizona
Coordinates35.1856, -114.568
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length36 ft (11.1 m)
Longest span8 ft (2.3 m)
Deck width24 ft (7.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2019)
Projected traffic40 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Main Street over Unnamed Arroyo built?

It was built in 1945, making it 80 years old in 2025.

What condition is Main Street over Unnamed Arroyo 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 2023.

How much traffic does Main Street over Unnamed Arroyo carry?

About 40 vehicles per day (2019 count).

How long is Main Street over Unnamed Arroyo?

The structure is 36 ft (11.1 m) long with a longest span of 8 ft (2.3 m) and a deck 24 ft wide.

Who owns Main Street over Unnamed Arroyo?

It is owned by the Bureau of Reclamation.