US Bridges

I-40 WB over Sfrr @ Kingman

Fair

Mohave County, Arizona · 0.2 MI E JCT SR 66 · Structure no. 01360

Built
1969
56 years old, rebuilt 2012
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
352 ft
5 main spans
Daily traffic
10,220
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over Sfrr @ Kingman is a steel continuous stringer/multi-beam or girder carrying I-40 WB 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 10,220 vehicles a day, roughly 30% of them trucks, projected to reach 10,230 by 2042. The structure is 352 ft (107.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-40 WB
CrossesSfrr @ Kingman
Location0.2 MI E JCT SR 66
RouteInterstate 40
CountyMohave County
StateArizona
Coordinates35.2174, -114.0074
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 rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length352 ft (107.4 m)
Longest span90 ft (27.4 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,220 (2022)
Projected traffic10,230 by 2042
Trucks30%
Lanes on structure2
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 WB 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 WB 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 WB over Sfrr @ Kingman carry?

About 10,220 vehicles per day (2022 count), of which roughly 30% are trucks.

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

The structure is 352 ft (107.4 m) long with a longest span of 90 ft (27.4 m) and a deck 41 ft wide.

Who owns I-40 WB over Sfrr @ Kingman?

It is owned by the State Highway Agency.