US Bridges

IRR BIA RTE N5045 over Kit Sili Wash

Fair

Apache County, Arizona · 2.1 MI West of Tolacon · Structure no. 00000000000N230

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
141
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N5045 over Kit Sili Wash is a steel stringer/multi-beam or girder carrying IRR BIA RTE N5045 over Kit Sili Wash in Apache County, Arizona. It was built in 1975, so it is 50 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 5 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 141 vehicles a day, roughly 5% of them trucks, projected to reach 119 by 2040. The structure is 30 ft (9 m) long and 14 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesIRR BIA RTE N5045
CrossesKit Sili Wash
Location2.1 MI West of Tolacon
RouteFederal Lands Road N5045
CountyApache County
StateArizona
Coordinates36.84936, -109.46086
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length30 ft (9 m)
Longest span27 ft (8.3 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141 (2021)
Projected traffic119 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$548,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE N5045 over Kit Sili Wash built?

It was built in 1975, making it 50 years old in 2025.

What condition is IRR BIA RTE N5045 over Kit Sili Wash 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 June 2024.

How much traffic does IRR BIA RTE N5045 over Kit Sili Wash carry?

About 141 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is IRR BIA RTE N5045 over Kit Sili Wash?

The structure is 30 ft (9 m) long with a longest span of 27 ft (8.3 m) and a deck 14 ft wide.

Who owns IRR BIA RTE N5045 over Kit Sili Wash?

It is owned by the Bureau of Indian Affairs.