US Bridges

I-90 Wbl over US 16

Good

Johnson County, Wyoming · Buffalo Marginal · Structure no. BDK

Built
1959
66 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
3 main spans
Daily traffic
2,345
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Wbl over US 16 is a steel continuous stringer/multi-beam or girder carrying I-90 Wbl over US 16 in Johnson County, Wyoming. It was built in 1959, so it is 66 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 2,345 vehicles a day, roughly 19% of them trucks, projected to reach 3,283 by 2043. The structure is 153 ft (46.5 m) long and 41 ft wide.

CarriesI-90 Wbl
CrossesUS 16
LocationBuffalo Marginal
RouteInterstate 90
StateWyoming
Coordinates44.3586, -106.65776
Functional classRural Principal Arterial - Interstate

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.9 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length153 ft (46.5 m)
Longest span56 ft (17.2 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,345 (2024)
Projected traffic3,283 by 2043
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-90 Wbl over US 16 built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-90 Wbl over US 16 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 May 2024.

How much traffic does I-90 Wbl over US 16 carry?

About 2,345 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is I-90 Wbl over US 16?

The structure is 153 ft (46.5 m) long with a longest span of 56 ft (17.2 m) and a deck 41 ft wide.

Who owns I-90 Wbl over US 16?

It is owned by the State Highway Agency.