US Bridges

I-40 WB over Silver Springs RD

Fair

Mohave County, Arizona · 7.5 MI E JCT US 93 · Structure no. 01553

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
6,982
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over Silver Springs RD is a concrete continuous slab carrying I-40 WB over Silver Springs RD in Mohave County, Arizona. It was built in 1972, so it is 53 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 6,982 vehicles a day, roughly 42% of them trucks, projected to reach 6,992 by 2042. The structure is 107 ft (32.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-40 WB
CrossesSilver Springs RD
Location7.5 MI E JCT US 93
RouteInterstate 40
StateArizona
Coordinates35.1599, -113.5671
Functional classRural Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,982 (2022)
Projected traffic6,992 by 2042
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-40 WB over Silver Springs RD built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-40 WB over Silver Springs RD 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 June 2024.

How much traffic does I-40 WB over Silver Springs RD carry?

About 6,982 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is I-40 WB over Silver Springs RD?

The structure is 107 ft (32.6 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns I-40 WB over Silver Springs RD?

It is owned by the State Highway Agency.