US Bridges

S 95 over Colorado River

Fair

Mohave County, Arizona · 24.33 MI South Rt 68 · Structure no. 02435

Built
1978
47 years old
Condition
Fair
inspected February 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
566 ft
5 main spans
Daily traffic
11,201
2014 count
Owner
State
State Highway Agency

About this bridge

S 95 over Colorado River is a prestressed concrete continuous stringer/multi-beam or girder carrying S 95 over Colorado River in Mohave County, Arizona. It was built in 1978, so it is 47 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 5 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 11,201 vehicles a day, roughly 5% of them trucks, projected to reach 14,127 by 2042. The structure is 566 ft (172.5 m) long and 49 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesS 95
CrossesColorado River
Location24.33 MI South Rt 68
RouteState Highway 95
StateArizona
Coordinates34.85113, -114.60918
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length566 ft (172.5 m)
Longest span112 ft (34.1 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,201 (2014)
Projected traffic14,127 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemYes

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 S 95 over Colorado River built?

It was built in 1978, making it 47 years old in 2025.

What condition is S 95 over Colorado River 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 February 2022.

How much traffic does S 95 over Colorado River carry?

About 11,201 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is S 95 over Colorado River?

The structure is 566 ft (172.5 m) long with a longest span of 112 ft (34.1 m) and a deck 49 ft wide.

Who owns S 95 over Colorado River?

It is owned by the State Highway Agency.