US Bridges

Riverport Drive over Drainage Channel

Good

Mohave County, Arizona · N JCT Laughlin Ranch Blvd · Structure no. 10702

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
120 ft
7 main spans
Daily traffic
1,200
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Riverport Drive over Drainage Channel is a wood or timber stringer/multi-beam or girder carrying Riverport Drive over Drainage Channel in Mohave County, Arizona. It was built in 2005, so it is 20 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 1% of them trucks, projected to reach 1,210 by 2040. The structure is 120 ft (36.6 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRiverport Drive
CrossesDrainage Channel
LocationN JCT Laughlin Ranch Blvd
RouteCity Street 0
StateArizona
Coordinates35.13656, -114.53906
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating30 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span20 ft (6.1 m)
Deck width39 ft (11.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deck14 ft (4.2 m)

Traffic and service

Average daily traffic1,200 (2020)
Projected traffic1,210 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Riverport Drive over Drainage Channel built?

It was built in 2005, making it 20 years old in 2025.

What condition is Riverport Drive over Drainage Channel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Riverport Drive over Drainage Channel carry?

About 1,200 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Riverport Drive over Drainage Channel?

The structure is 120 ft (36.6 m) long with a longest span of 20 ft (6.1 m) and a deck 39 ft wide.

Who owns Riverport Drive over Drainage Channel?

It is owned by the City or Municipal Highway Agency.