US Bridges

Second Ave over Gibson Arroyo

Fair

Pima County, Arizona · 190 West Railroad Drive · Structure no. 11306

Built
2006
19 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
2,010
2024 count
Owner
County
County Highway Agency

About this bridge

Second Ave over Gibson Arroyo is a concrete culvert carrying Second Ave over Gibson Arroyo in Pima County, Arizona. It was built in 2006, so it is 19 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 2,010 vehicles a day, projected to reach 2,020 by 2042. The structure is 28 ft (8.5 m) long and 51 ft wide.

CarriesSecond Ave
CrossesGibson Arroyo
Location190 West Railroad Drive
RouteCounty Highway 0
StateArizona
Coordinates32.37981, -112.86244
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 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 rating60 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width51 ft (15.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,010 (2024)
Projected traffic2,020 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Second Ave over Gibson Arroyo built?

It was built in 2006, making it 19 years old in 2025.

What condition is Second Ave over Gibson Arroyo 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 April 2024.

How much traffic does Second Ave over Gibson Arroyo carry?

About 2,010 vehicles per day (2024 count).

How long is Second Ave over Gibson Arroyo?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 51 ft wide.

Who owns Second Ave over Gibson Arroyo?

It is owned by the County Highway Agency.