US Bridges

Pl Cnty RD 204 over Iowa Lateral Ditch

Good

Platte County, Wyoming · 3 Miles West of Wheatland · Structure no. DQM

Built
1970
55 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Pl Cnty RD 204 over Iowa Lateral Ditch is a concrete tee beam carrying Pl Cnty RD 204 over Iowa Lateral Ditch in Platte County, Wyoming. It was built in 1970, so it is 55 years old, older 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 15 vehicles a day, roughly 7% of them trucks, projected to reach 21 by 2043. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPl Cnty RD 204
CrossesIowa Lateral Ditch
Location3 Miles West of Wheatland
RouteCounty Highway 204
StateWyoming
Coordinates42.04596, -105.04937
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2024)
Projected traffic21 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$36,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pl Cnty RD 204 over Iowa Lateral Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Pl Cnty RD 204 over Iowa Lateral Ditch 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 November 2024.

How much traffic does Pl Cnty RD 204 over Iowa Lateral Ditch carry?

About 15 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pl Cnty RD 204 over Iowa Lateral Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns Pl Cnty RD 204 over Iowa Lateral Ditch?

It is owned by the County Highway Agency.