US Bridges

Cb Cnty RD 3 over Third Sand Creek

PoorPosted for load

Carbon County, Wyoming · 11 Mi. NE of Elk Mountain · Structure no. DMR

Built
1965
60 years old
Condition
Poor
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
50 ft
1 main span
Daily traffic
59
2024 count
Owner
County
County Highway Agency

About this bridge

Cb Cnty RD 3 over Third Sand Creek is a steel girder and floorbeam system carrying Cb Cnty RD 3 over Third Sand Creek in Carbon County, Wyoming. It was built in 1965, so it is 60 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 59 vehicles a day, roughly 7% of them trucks, projected to reach 83 by 2043. The structure is 50 ft (15.2 m) long and 18 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesCb Cnty RD 3
CrossesThird Sand Creek
Location11 Mi. NE of Elk Mountain
RouteCounty Highway 3
StateWyoming
Coordinates41.75743, -106.3052
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating11.2 US tons
Inventory rating6.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1 (+2 approach)
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2024)
Projected traffic83 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$312,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cb Cnty RD 3 over Third Sand Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Cb Cnty RD 3 over Third Sand Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Cb Cnty RD 3 over Third Sand Creek carry?

About 59 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Cb Cnty RD 3 over Third Sand Creek?

The structure is 50 ft (15.2 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns Cb Cnty RD 3 over Third Sand Creek?

It is owned by the County Highway Agency.