US Bridges

12th Street over Canal No 2

FairPosted for load

Platte County, Wyoming · Wheatland · Structure no. EXG

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
138
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

12th Street over Canal No 2 is a concrete slab carrying 12th Street over Canal No 2 in Platte County, Wyoming. It was built in 1950, so it is 75 years old, older 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 5 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 29 ft (8.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries12th Street
CrossesCanal No 2
LocationWheatland
RouteCity Street 470-7
CountyPlatte County
StateWyoming
Coordinates42.05272, -104.9574
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic138 (2024)
Projected traffic193 by 2043
Trucks11%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 12th Street over Canal No 2 built?

It was built in 1950, making it 75 years old in 2025.

What condition is 12th Street over Canal No 2 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 2024.

How much traffic does 12th Street over Canal No 2 carry?

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

How long is 12th Street over Canal No 2?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 27 ft wide.

Who owns 12th Street over Canal No 2?

It is owned by the Town or Township Highway Agency.