US Bridges

US 93 SB over Kaiser Springs

Fair

Mohave County, Arizona · 44 MI S JCT I-40 · Structure no. 02549

Built
2001
24 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
1,646 ft
8 main spans
Daily traffic
4,754
2022 count
Owner
State
State Highway Agency

About this bridge

US 93 SB over Kaiser Springs is a prestressed concrete continuous box beam or girders - single or spread carrying US 93 SB over Kaiser Springs in Mohave County, Arizona. It was built in 2001, so it is 24 years old, younger 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 4,754 vehicles a day, roughly 37% of them trucks, projected to reach 4,764 by 2042. The structure is 1,646 ft (501.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 93 SB
CrossesKaiser Springs
Location44 MI S JCT I-40
RouteU.S. Route 93
CountyMohave County
StateArizona
Coordinates34.5758, -113.4899
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating57 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length1,646 ft (501.7 m)
Longest span230 ft (70.1 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,754 (2022)
Projected traffic4,764 by 2042
Trucks37%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 93 SB over Kaiser Springs built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 93 SB over Kaiser Springs 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 December 2024.

How much traffic does US 93 SB over Kaiser Springs carry?

About 4,754 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is US 93 SB over Kaiser Springs?

The structure is 1,646 ft (501.7 m) long with a longest span of 230 ft (70.1 m) and a deck 44 ft wide.

Who owns US 93 SB over Kaiser Springs?

It is owned by the State Highway Agency.