US Bridges

Pl Cnty RD 275 over Rock / Wheatland Creek

PoorPosted for load

Platte County, Wyoming · North Road - Wheatland · Structure no. EXB

Built
1975
50 years old
Condition
Poor
inspected November 2024
Type
Channel Beam
Concrete
Length
60 ft
2 main spans
Daily traffic
371
2024 count
Owner
County
County Highway Agency

About this bridge

Pl Cnty RD 275 over Rock / Wheatland Creek is a concrete channel beam carrying Pl Cnty RD 275 over Rock / Wheatland Creek in Platte County, Wyoming. It was built in 1975, so it is 50 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 371 vehicles a day, roughly 47% of them trucks, projected to reach 519 by 2043. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPl Cnty RD 275
CrossesRock / Wheatland Creek
LocationNorth Road - Wheatland
RouteCounty Highway 275
StateWyoming
Coordinates42.06686, -104.95246
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating29.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic371 (2024)
Projected traffic519 by 2043
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$48,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pl Cnty RD 275 over Rock / Wheatland Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Pl Cnty RD 275 over Rock / Wheatland 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 November 2024.

How much traffic does Pl Cnty RD 275 over Rock / Wheatland Creek carry?

About 371 vehicles per day (2024 count), of which roughly 47% are trucks.

How long is Pl Cnty RD 275 over Rock / Wheatland Creek?

The structure is 60 ft (18.3 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Pl Cnty RD 275 over Rock / Wheatland Creek?

It is owned by the County Highway Agency.