US Bridges

IRR BIA RTE 202 over Navajo Wash

Good

Montezuma County, Colorado · 2 KM East of Towaoc CO · Structure no. 00000000000M610

Built
1980
45 years old
Condition
Good
inspected March 2023
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
1,600
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 202 over Navajo Wash is a steel culvert carrying IRR BIA RTE 202 over Navajo Wash in Montezuma County, Colorado. It was built in 1980, so it is 45 years old, older than the Colorado average of 42.2 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 1,600 vehicles a day, roughly 15% of them trucks, projected to reach 2,000 by 2043. The structure is 24 ft (7.2 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIRR BIA RTE 202
CrossesNavajo Wash
Location2 KM East of Towaoc CO
RouteFederal Lands Road 202
Coordinates37.20003, -108.69831
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.1 US tons
Inventory rating109.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.2 m)
Longest span24 ft (7.2 m)
Deck width24 ft (7.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,000 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 202 over Navajo Wash built?

It was built in 1980, making it 45 years old in 2025.

What condition is IRR BIA RTE 202 over Navajo Wash 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 March 2023.

How much traffic does IRR BIA RTE 202 over Navajo Wash carry?

About 1,600 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is IRR BIA RTE 202 over Navajo Wash?

The structure is 24 ft (7.2 m) long with a longest span of 24 ft (7.2 m) and a deck 24 ft wide.

Who owns IRR BIA RTE 202 over Navajo Wash?

It is owned by the Bureau of Indian Affairs.