US Bridges

Cb Cnty RD 297 over UPRR

Good

Carbon County, Wyoming · 2 Mi. E. of Hanna · Structure no. LEG

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
271 ft
3 main spans
Daily traffic
169
2024 count
Owner
County
County Highway Agency

About this bridge

Cb Cnty RD 297 over UPRR is a prestressed concrete stringer/multi-beam or girder carrying Cb Cnty RD 297 over UPRR in Carbon County, Wyoming. It was built in 2003, so it is 22 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 169 vehicles a day, roughly 34% of them trucks, projected to reach 237 by 2043. The structure is 271 ft (82.5 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCb Cnty RD 297
CrossesUPRR
Location2 Mi. E. of Hanna
RouteCounty Highway 297
StateWyoming
Coordinates41.87114, -106.52564
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86 US tons
Inventory rating60 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length271 ft (82.5 m)
Longest span126 ft (38.4 m)
Deck width35 ft (10.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169 (2024)
Projected traffic237 by 2043
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cb Cnty RD 297 over UPRR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Cb Cnty RD 297 over UPRR 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 297 over UPRR carry?

About 169 vehicles per day (2024 count), of which roughly 34% are trucks.

How long is Cb Cnty RD 297 over UPRR?

The structure is 271 ft (82.5 m) long with a longest span of 126 ft (38.4 m) and a deck 35 ft wide.

Who owns Cb Cnty RD 297 over UPRR?

It is owned by the County Highway Agency.