US Bridges

Bell RD over Drainage Ditch

Fair

Maricopa County, Arizona · At 99th Ave · Structure no. 09126

Built
1964
61 years old, rebuilt 1994
Condition
Fair
inspected December 2022
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
52,000
2022 count
Owner
County
County Highway Agency

About this bridge

Bell RD over Drainage Ditch is a concrete continuous culvert carrying Bell RD over Drainage Ditch in Maricopa County, Arizona. It was built in 1964 and reconstructed in 1994, so it is 61 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 52,000 vehicles a day, roughly 10% of them trucks, projected to reach 52,010 by 2042. The structure is 26 ft (7.9 m) long and 97 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBell RD
CrossesDrainage Ditch
LocationAt 99th Ave
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.63807, -112.27419
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 36 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span13 ft (4 m)
Deck width97 ft (29.6 m)
Roadway width97 ft (29.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,000 (2022)
Projected traffic52,010 by 2042
Trucks10%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Bell RD over Drainage Ditch built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1994.

What condition is Bell RD over Drainage Ditch 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 December 2022.

How much traffic does Bell RD over Drainage Ditch carry?

About 52,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Bell RD over Drainage Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 13 ft (4 m) and a deck 97 ft wide.

Who owns Bell RD over Drainage Ditch?

It is owned by the County Highway Agency.