US Bridges

Cb Cnty RD 400 over Pass Creek

Good

Carbon County, Wyoming · 16 Mi. N.W. of Saratoga · Structure no. FCE

Built
1985
40 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
29
2024 count
Owner
County
County Highway Agency

About this bridge

Cb Cnty RD 400 over Pass Creek is a steel stringer/multi-beam or girder carrying Cb Cnty RD 400 over Pass Creek in Carbon County, Wyoming. It was built in 1985, so it is 40 years old, younger than the Wyoming average of 48.4 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 29 vehicles a day, roughly 3% of them trucks, projected to reach 41 by 2043. The structure is 64 ft (19.5 m) long and 25 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesCb Cnty RD 400
CrossesPass Creek
Location16 Mi. N.W. of Saratoga
RouteCounty Highway 400
StateWyoming
Coordinates41.68433, -106.7239
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2024)
Projected traffic41 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cb Cnty RD 400 over Pass Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Cb Cnty RD 400 over Pass Creek 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 August 2023.

How much traffic does Cb Cnty RD 400 over Pass Creek carry?

About 29 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Cb Cnty RD 400 over Pass Creek?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 25 ft wide.

Who owns Cb Cnty RD 400 over Pass Creek?

It is owned by the County Highway Agency.