US Bridges

CR Cnty RD 268 over Inyan Kara Creek

Fair

Crook County, Wyoming · 16 MI West of Sundance · Structure no. KII

Built
1991
34 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Wood or Timber
Length
50 ft
1 main span
Daily traffic
74
2024 count
Owner
County
County Highway Agency

About this bridge

CR Cnty RD 268 over Inyan Kara Creek is a wood or timber tee beam carrying CR Cnty RD 268 over Inyan Kara Creek in Crook County, Wyoming. It was built in 1991, so it is 34 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 74 vehicles a day, roughly 8% of them trucks, projected to reach 104 by 2043. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCR Cnty RD 268
CrossesInyan Kara Creek
Location16 MI West of Sundance
RouteCounty Highway 268
StateWyoming
Coordinates44.40277, -104.69303
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95 US tons
Inventory rating68 US tons

Structure

Structure typeTee Beam
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (2024)
Projected traffic104 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$44,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR Cnty RD 268 over Inyan Kara Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR Cnty RD 268 over Inyan Kara 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 March 2023.

How much traffic does CR Cnty RD 268 over Inyan Kara Creek carry?

About 74 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is CR Cnty RD 268 over Inyan Kara Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns CR Cnty RD 268 over Inyan Kara Creek?

It is owned by the County Highway Agency.