US Bridges

W F Street over North Platte River

Good

Natrona County, Wyoming · City of Casper · Structure no. NFI

Built
2024
1 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
450 ft
3 main spans
Daily traffic
4,929
2024 count
Owner
State
State Highway Agency

About this bridge

W F Street over North Platte River is a steel continuous stringer/multi-beam or girder carrying W F Street over North Platte River in Natrona County, Wyoming. It was built in 2024, so it is 1 years old, younger 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 4,929 vehicles a day, roughly 2% of them trucks, projected to reach 6,901 by 2043. The structure is 450 ft (137.2 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW F Street
CrossesNorth Platte River
LocationCity of Casper
StateWyoming
Coordinates42.85725, -106.32706
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length450 ft (137.2 m)
Longest span175 ft (53.3 m)
Deck width46 ft (14 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic4,929 (2024)
Projected traffic6,901 by 2043
Trucks2%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W F Street over North Platte River built?

It was built in 2024, making it 1 years old in 2025.

What condition is W F Street over North Platte River 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 December 2024.

How much traffic does W F Street over North Platte River carry?

About 4,929 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is W F Street over North Platte River?

The structure is 450 ft (137.2 m) long with a longest span of 175 ft (53.3 m) and a deck 46 ft wide.

Who owns W F Street over North Platte River?

It is owned by the State Highway Agency.