US Bridges

IRR BIA Rt 551 over East Fork White River

Good

Navajo County, Arizona · 9.7 KM E of White River · Structure no. 00000000000H094

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
1 main span
Daily traffic
50
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA Rt 551 over East Fork White River is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA Rt 551 over East Fork White River in Navajo 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 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 60 by 2044. The structure is 125 ft (38.2 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIRR BIA Rt 551
CrossesEast Fork White River
Location9.7 KM E of White River
RouteFederal Lands Road 551
StateArizona
Coordinates33.81583, -109.90125
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 rating57.4 US tons
Inventory rating44.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length125 ft (38.2 m)
Longest span122 ft (37.3 m)
Deck width43 ft (13.1 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic60 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA Rt 551 over East Fork White River built?

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

What condition is IRR BIA Rt 551 over East Fork White River 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 February 2024.

How much traffic does IRR BIA Rt 551 over East Fork White River carry?

About 50 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is IRR BIA Rt 551 over East Fork White River?

The structure is 125 ft (38.2 m) long with a longest span of 122 ft (37.3 m) and a deck 43 ft wide.

Who owns IRR BIA Rt 551 over East Fork White River?

It is owned by the Bureau of Indian Affairs.