US Bridges

County RD 3144 over Bonita Wash

FairPosted for load

Apache County, Arizona · 2.0 MI W JCT Vernon RD · Structure no. 09901

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
35 ft
2 main spans
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 3144 over Bonita Wash is a steel continuous stringer/multi-beam or girder carrying County RD 3144 over Bonita Wash in Apache County, Arizona. It was built in 1985, so it is 40 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 1% of them trucks, projected to reach 160 by 2042. The structure is 35 ft (10.7 m) long and 24 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesCounty RD 3144
CrossesBonita Wash
Location2.0 MI W JCT Vernon RD
RouteCounty Highway 0
StateArizona
Coordinates34.25758, -109.72803
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29 US tons
Inventory rating17 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic150 (2024)
Projected traffic160 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 3144 over Bonita Wash built?

It was built in 1985, making it 40 years old in 2025.

What condition is County RD 3144 over Bonita 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 July 2024.

How much traffic does County RD 3144 over Bonita Wash carry?

About 150 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is County RD 3144 over Bonita Wash?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 24 ft wide.

Who owns County RD 3144 over Bonita Wash?

It is owned by the County Highway Agency.