US Bridges

W Mahoney ST over Ditch

Good

Navajo County, Arizona · W JCT Douglas Ave · Structure no. 08489

Built
1985
40 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
520
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Mahoney ST over Ditch is a concrete continuous culvert carrying W Mahoney ST over Ditch in Navajo 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 520 vehicles a day, roughly 1% of them trucks, projected to reach 530 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW Mahoney ST
CrossesDitch
LocationW JCT Douglas Ave
RouteCity Street 0
StateArizona
Coordinates35.03255, -110.70266
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2022)
Projected traffic530 by 2042
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W Mahoney ST over Ditch built?

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

What condition is W Mahoney ST over Ditch 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 June 2024.

How much traffic does W Mahoney ST over Ditch carry?

About 520 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is W Mahoney ST over Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns W Mahoney ST over Ditch?

It is owned by the City or Municipal Highway Agency.