US Bridges

Trekell RD over I8

Fair

Pinal County, Arizona · 3.8 MI W of JCT I10 · Structure no. 01198

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
264 ft
4 main spans
Daily traffic
1,741
2022 count
Owner
State
State Highway Agency

About this bridge

Trekell RD over I8 is a steel continuous stringer/multi-beam or girder carrying Trekell RD over I8 in Pinal County, Arizona. It was built in 1967, so it is 58 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 1,741 vehicles a day, roughly 10% of them trucks, projected to reach 1,751 by 2042. The structure is 264 ft (80.5 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTrekell RD
CrossesI8
Location3.8 MI W of JCT I10
RouteCounty Highway 0
StateArizona
Coordinates32.8281, -111.7401
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span80 ft (24.4 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,741 (2022)
Projected traffic1,751 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Trekell RD over I8 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Trekell RD over I8 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 October 2023.

How much traffic does Trekell RD over I8 carry?

About 1,741 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Trekell RD over I8?

The structure is 264 ft (80.5 m) long with a longest span of 80 ft (24.4 m) and a deck 35 ft wide.

Who owns Trekell RD over I8?

It is owned by the State Highway Agency.