US Bridges

IRR BIA RTE N12 over Tsaile Creek

Good

Apache County, Arizona · 1MI SE of Navajo Comm Col · Structure no. 0000N35780B0505

Built
2022
3 years old, rebuilt 9999
Condition
Good
inspected April 2023
Type
Culvert
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
2,600
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N12 over Tsaile Creek is a prestressed concrete culvert carrying IRR BIA RTE N12 over Tsaile Creek in Apache County, Arizona. It was built in 2022 and reconstructed in 9999, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,600 vehicles a day, roughly 5% of them trucks, projected to reach 2,300 by 2043. The structure is 59 ft (18 m) long and 84 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesIRR BIA RTE N12
CrossesTsaile Creek
Location1MI SE of Navajo Comm Col
RouteFederal Lands Road 0N12
CountyApache County
StateArizona
Coordinates36.28194, -109.17607
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span59 ft (18 m)
Deck width84 ft (25.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic2,300 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 N12 over Tsaile Creek built?

It was built in 2022, making it 3 years old in 2025. It was reconstructed in 9999.

What condition is IRR BIA RTE N12 over Tsaile Creek 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 2023.

How much traffic does IRR BIA RTE N12 over Tsaile Creek carry?

About 2,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR BIA RTE N12 over Tsaile Creek?

The structure is 59 ft (18 m) long with a longest span of 59 ft (18 m) and a deck 84 ft wide.

Who owns IRR BIA RTE N12 over Tsaile Creek?

It is owned by the Bureau of Indian Affairs.