US Bridges

SR B 8; EB over SPRR

Fair

Maricopa County, Arizona · 0.2 MI E JCT SR 85 · Structure no. 00118

Built
1934
91 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
149 ft
3 main spans
Daily traffic
690
2023 count
Owner
State
State Highway Agency

About this bridge

SR B 8; EB over SPRR is a steel girder and floorbeam system carrying SR B 8; EB over SPRR in Maricopa County, Arizona. It was built in 1934, so it is 91 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 690 vehicles a day, roughly 14% of them trucks, projected to reach 700 by 2042. The structure is 149 ft (45.4 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR B 8; EB
CrossesSPRR
Location0.2 MI E JCT SR 85
RouteState Highway 8
CountyMaricopa County
StateArizona
Coordinates32.9497, -112.6969
Functional classRural Principal Arterial - Other

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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length149 ft (45.4 m)
Longest span45 ft (13.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic690 (2023)
Projected traffic700 by 2042
Trucks14%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

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

Frequently asked questions

When was SR B 8; EB over SPRR built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR B 8; EB over SPRR 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 August 2023.

How much traffic does SR B 8; EB over SPRR carry?

About 690 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR B 8; EB over SPRR?

The structure is 149 ft (45.4 m) long with a longest span of 45 ft (13.7 m) and a deck 27 ft wide.

Who owns SR B 8; EB over SPRR?

It is owned by the State Highway Agency.