US Bridges

Pl Cnty RD 272 over Laramie River

FairPosted for load

Platte County, Wyoming · 4 MI North of Wheatland · Structure no. MBQ

Built
2007
18 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
138
2024 count
Owner
County
County Highway Agency

About this bridge

Pl Cnty RD 272 over Laramie River is a steel stringer/multi-beam or girder carrying Pl Cnty RD 272 over Laramie River in Platte County, Wyoming. It was built in 2007, so it is 18 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. Its operating status is: posted for load restriction.

It carries about 138 vehicles a day, roughly 11% of them trucks, projected to reach 193 by 2043. The structure is 70 ft (21.3 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesPl Cnty RD 272
CrossesLaramie River
Location4 MI North of Wheatland
RouteCounty Highway 272
CountyPlatte County
StateWyoming
Coordinates42.11514, -104.98654
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2024)
Projected traffic193 by 2043
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$46,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pl Cnty RD 272 over Laramie River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Pl Cnty RD 272 over Laramie River 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 November 2023.

How much traffic does Pl Cnty RD 272 over Laramie River carry?

About 138 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Pl Cnty RD 272 over Laramie River?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 16 ft wide.

Who owns Pl Cnty RD 272 over Laramie River?

It is owned by the County Highway Agency.