US Bridges

I-40 EB over Sfrr @ Kingman

Fair

Mohave County, Arizona · 0.2 MI E JCT SR 66 · Structure no. 01359

Built
1969
56 years old, rebuilt 2012
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
340 ft
5 main spans
Daily traffic
14,089
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over Sfrr @ Kingman is a steel continuous stringer/multi-beam or girder carrying I-40 EB over Sfrr @ Kingman in Mohave County, Arizona. It was built in 1969 and reconstructed in 2012, so it is 56 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 14,089 vehicles a day, roughly 30% of them trucks, projected to reach 14,099 by 2042. The structure is 340 ft (103.7 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-40 EB
CrossesSfrr @ Kingman
Location0.2 MI E JCT SR 66
RouteInterstate 40
StateArizona
Coordinates35.2171, -114.0077
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length340 ft (103.7 m)
Longest span75 ft (22.9 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,089 (2022)
Projected traffic14,099 by 2042
Trucks30%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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 EB over Sfrr @ Kingman built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2012.

What condition is I-40 EB over Sfrr @ Kingman 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 September 2023.

How much traffic does I-40 EB over Sfrr @ Kingman carry?

About 14,089 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is I-40 EB over Sfrr @ Kingman?

The structure is 340 ft (103.7 m) long with a longest span of 75 ft (22.9 m) and a deck 58 ft wide.

Who owns I-40 EB over Sfrr @ Kingman?

It is owned by the State Highway Agency.