US Bridges

Pl Cnty RD 90 over I-25

Fair

Platte County, Wyoming · Wheatland - Glendo · Structure no. ADV

Built
1966
59 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
230 ft
4 main spans
Daily traffic
618
2024 count
Owner
State
State Highway Agency

About this bridge

Pl Cnty RD 90 over I-25 is a concrete continuous slab carrying Pl Cnty RD 90 over I-25 in Platte County, Wyoming. It was built in 1966, so it is 59 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 618 vehicles a day, roughly 9% of them trucks, projected to reach 865 by 2043. The structure is 230 ft (70.1 m) long and 31 ft wide.

CarriesPl Cnty RD 90
CrossesI-25
LocationWheatland - Glendo
RouteCounty Highway 90
StateWyoming
Coordinates42.0894, -104.98077
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic618 (2024)
Projected traffic865 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pl Cnty RD 90 over I-25 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Pl Cnty RD 90 over I-25 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 January 2025.

How much traffic does Pl Cnty RD 90 over I-25 carry?

About 618 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Pl Cnty RD 90 over I-25?

The structure is 230 ft (70.1 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns Pl Cnty RD 90 over I-25?

It is owned by the State Highway Agency.