US Bridges

S. Verde ST over Rio De Flag

Good

Coconino County, Arizona · 100 Ft N of JCT Ellery Av · Structure no. 08713

Built
1959
66 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
810
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

S. Verde ST over Rio De Flag is a concrete continuous culvert carrying S. Verde ST over Rio De Flag in Coconino County, Arizona. It was built in 1959, so it is 66 years old, older 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 810 vehicles a day, roughly 1% of them trucks, projected to reach 820 by 2037. The structure is 24 ft (7.3 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS. Verde ST
CrossesRio De Flag
Location100 Ft N of JCT Ellery Av
RouteCity Street 0
CountyCoconino County
StateArizona
Coordinates35.1912, -111.6484
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2017)
Projected traffic820 by 2037
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 S. Verde ST over Rio De Flag built?

It was built in 1959, making it 66 years old in 2025.

What condition is S. Verde ST over Rio De Flag 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 July 2021.

How much traffic does S. Verde ST over Rio De Flag carry?

About 810 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is S. Verde ST over Rio De Flag?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns S. Verde ST over Rio De Flag?

It is owned by the City or Municipal Highway Agency.