US Bridges

IRR BIA RTE 16 over Coolidge Canal

Fair

Fremont County, Wyoming · 11.3KM East of Wind River · Structure no. 00000000000C830

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
300
2022 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 16 over Coolidge Canal is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 16 over Coolidge Canal in Fremont County, Wyoming. It was built in 1979, so it is 46 years old, younger than the Wyoming average of 48.4 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 351 by 2044. The structure is 32 ft (9.8 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIRR BIA RTE 16
CrossesCoolidge Canal
Location11.3KM East of Wind River
RouteFederal Lands Road 16
StateWyoming
Coordinates42.98278, -108.75411
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic351 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 16 over Coolidge Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is IRR BIA RTE 16 over Coolidge Canal 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 May 2024.

How much traffic does IRR BIA RTE 16 over Coolidge Canal carry?

About 300 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IRR BIA RTE 16 over Coolidge Canal?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns IRR BIA RTE 16 over Coolidge Canal?

It is owned by the Bureau of Indian Affairs.