US Bridges

Wilmot Road over Drainage

Fair

Pima County, Arizona · S. of Wilmot Gate · Structure no. 2360010P0000000

Built
2000
25 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
30
2021 count
Owner
Federal
Air Force

About this bridge

Wilmot Road over Drainage is a concrete continuous culvert carrying Wilmot Road over Drainage in Pima County, Arizona. It was built in 2000, so it is 25 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.

It carries about 30 vehicles a day, projected to reach 35 by 2031. The structure is 24 ft (7.2 m) long and 89 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesWilmot Road
CrossesDrainage
LocationS. of Wilmot Gate
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.17865, -110.85812
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93 US tons
Inventory rating56 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.2 m)
Longest span12 ft (3.6 m)
Deck width89 ft (27 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2021)
Projected traffic35 by 2031
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
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 Wilmot Road over Drainage built?

It was built in 2000, making it 25 years old in 2025.

What condition is Wilmot Road over Drainage 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 2024.

How much traffic does Wilmot Road over Drainage carry?

About 30 vehicles per day (2021 count).

How long is Wilmot Road over Drainage?

The structure is 24 ft (7.2 m) long with a longest span of 12 ft (3.6 m) and a deck 89 ft wide.

Who owns Wilmot Road over Drainage?

It is owned by the Air Force.