US Bridges

Tweedy Road over Florence-Casa Gr Cnl Ext

Fair

Pinal County, Arizona · 0.2 MI N JCT Selma HWY · Structure no. 10127

Built
2002
23 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

Tweedy Road over Florence-Casa Gr Cnl Ext is a prestressed concrete box beam or girders - multiple carrying Tweedy Road over Florence-Casa Gr Cnl Ext in Pinal County, Arizona. It was built in 2002, so it is 23 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 73 vehicles a day, roughly 5% of them trucks, projected to reach 83 by 2042. The structure is 47 ft (14.3 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTweedy Road
CrossesFlorence-Casa Gr Cnl Ext
Location0.2 MI N JCT Selma HWY
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates32.85355, -111.58482
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic83 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 Tweedy Road over Florence-Casa Gr Cnl Ext built?

It was built in 2002, making it 23 years old in 2025.

What condition is Tweedy Road over Florence-Casa Gr Cnl Ext 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 January 2024.

How much traffic does Tweedy Road over Florence-Casa Gr Cnl Ext carry?

About 73 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Tweedy Road over Florence-Casa Gr Cnl Ext?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 36 ft wide.

Who owns Tweedy Road over Florence-Casa Gr Cnl Ext?

It is owned by the County Highway Agency.