US Bridges

Wyo 435 over Tensleep Creek

PoorPosted for load

Washakie County, Wyoming · JCT US 16 - East · Structure no. CYG

Built
1929
96 years old
Condition
Poor
inspected May 2024
Type
Truss - Thru
Steel
Length
85 ft
1 main span
Daily traffic
164
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 435 over Tensleep Creek is a steel truss - thru carrying Wyo 435 over Tensleep Creek in Washakie County, Wyoming. It was built in 1929, so it is 96 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 164 vehicles a day, roughly 2% of them trucks, projected to reach 230 by 2043. The structure is 85 ft (25.9 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 435
CrossesTensleep Creek
LocationJCT US 16 - East
RouteState Highway 435
StateWyoming
Coordinates44.08239, -107.31054
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.8 US tons
Inventory rating16.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length85 ft (25.9 m)
Longest span80 ft (24.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic164 (2024)
Projected traffic230 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$60,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 435 over Tensleep Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Wyo 435 over Tensleep Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Wyo 435 over Tensleep Creek carry?

About 164 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Wyo 435 over Tensleep Creek?

The structure is 85 ft (25.9 m) long with a longest span of 80 ft (24.4 m) and a deck 20 ft wide.

Who owns Wyo 435 over Tensleep Creek?

It is owned by the State Highway Agency.