US Bridges

US 87 Bus over I-25

Good

Platte County, Wyoming · Wheatland Marginal · Structure no. CKR

Built
1975
50 years old, rebuilt 2004
Condition
Good
inspected March 2024
Type
Frame
Steel Continuous
Length
230 ft
3 main spans
Daily traffic
6,322
2024 count
Owner
State
State Highway Agency

About this bridge

US 87 Bus over I-25 is a steel continuous frame carrying US 87 Bus over I-25 in Platte County, Wyoming. It was built in 1975 and reconstructed in 2004, 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 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 6,322 vehicles a day, roughly 1% of them trucks, projected to reach 8,851 by 2043. The structure is 230 ft (70.1 m) long and 61 ft wide.

CarriesUS 87 Bus
CrossesI-25
LocationWheatland Marginal
RouteU.S. Route 57
StateWyoming
Coordinates42.04662, -104.96589
Functional classRural Minor Arterial

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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span103 ft (31.4 m)
Deck width61 ft (18.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,322 (2024)
Projected traffic8,851 by 2043
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 87 Bus over I-25 built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2004.

What condition is US 87 Bus over I-25 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 March 2024.

How much traffic does US 87 Bus over I-25 carry?

About 6,322 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 87 Bus over I-25?

The structure is 230 ft (70.1 m) long with a longest span of 103 ft (31.4 m) and a deck 61 ft wide.

Who owns US 87 Bus over I-25?

It is owned by the State Highway Agency.