US Bridges

IRR BIA RTE 61 over Diamond Creek

Fair

Navajo County, Arizona · 9.4 KM NE of White River · Structure no. 00000000000H058

Built
1974
51 years old
Condition
Fair
inspected February 2024
Type
Frame
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
100
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 61 over Diamond Creek is a concrete continuous frame carrying IRR BIA RTE 61 over Diamond Creek in Navajo County, Arizona. It was built in 1974, so it is 51 years old, older 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 126 by 2024. The structure is 87 ft (26.5 m) long and 29 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 61
CrossesDiamond Creek
Location9.4 KM NE of White River
RouteFederal Lands Road 61
CountyNavajo County
StateArizona
Coordinates33.90742, -109.91928
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span57 ft (17.4 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic126 by 2024
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 RTE 61 over Diamond Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is IRR BIA RTE 61 over Diamond 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 February 2024.

How much traffic does IRR BIA RTE 61 over Diamond Creek carry?

About 100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 61 over Diamond Creek?

The structure is 87 ft (26.5 m) long with a longest span of 57 ft (17.4 m) and a deck 29 ft wide.

Who owns IRR BIA RTE 61 over Diamond Creek?

It is owned by the Bureau of Indian Affairs.