US Bridges

Site 5 Bldg 844 to over Drainage Ditch

Fair

Pima County, Arizona · Site 5 Hermans RD Frm Bld · Structure no. AF49ACHA00BRHR0

Built
1954
71 years old
Condition
Fair
inspected November 2023
Type
Frame
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
6,000
2017 count
Owner
Federal
Air Force

About this bridge

Site 5 Bldg 844 to over Drainage Ditch is a concrete continuous frame carrying Site 5 Bldg 844 to over Drainage Ditch in Pima County, Arizona. It was built in 1954, so it is 71 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 6,000 vehicles a day, projected to reach 7,200 by 2037. The structure is 32 ft (9.9 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSite 5 Bldg 844 to
CrossesDrainage Ditch
LocationSite 5 Hermans RD Frm Bld
StateArizona
Coordinates32.1052, -110.95109
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
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span15 ft (4.5 m)
Deck width54 ft (16.6 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2017)
Projected traffic7,200 by 2037
Trucks—
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Site 5 Bldg 844 to over Drainage Ditch built?

It was built in 1954, making it 71 years old in 2025.

What condition is Site 5 Bldg 844 to 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 November 2023.

How much traffic does Site 5 Bldg 844 to over Drainage Ditch carry?

About 6,000 vehicles per day (2017 count).

How long is Site 5 Bldg 844 to over Drainage Ditch?

The structure is 32 ft (9.9 m) long with a longest span of 15 ft (4.5 m) and a deck 54 ft wide.

Who owns Site 5 Bldg 844 to over Drainage Ditch?

It is owned by the Air Force.