US Bridges

US 93 SB over Sycamore Creek

Fair

Mohave County, Arizona · 36.4 MI S JCT I-40 · Structure no. 02622

Built
2003
22 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
304 ft
3 main spans
Daily traffic
4,754
2022 count
Owner
State
State Highway Agency

About this bridge

US 93 SB over Sycamore Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 93 SB over Sycamore Creek in Mohave County, Arizona. It was built in 2003, so it is 22 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 304 ft (92.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 93 SB
CrossesSycamore Creek
Location36.4 MI S JCT I-40
RouteU.S. Route 93
StateArizona
Coordinates34.6552, -113.5751
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating46 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span100 ft (30.5 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 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 Sycamore Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is US 93 SB over Sycamore Creek 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 Sycamore Creek carry?

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

How long is US 93 SB over Sycamore Creek?

The structure is 304 ft (92.7 m) long with a longest span of 100 ft (30.5 m) and a deck 45 ft wide.

Who owns US 93 SB over Sycamore Creek?

It is owned by the State Highway Agency.