US Bridges

Road 20158 over Lt Hand Fk Blacksmith

Fair

Cache County, Utah · 16 M NE of Logan · Structure no. 041907000001020

Built
1956
69 years old
Condition
Fair
inspected September 2023
Type
Other
Wood or Timber
Length
22 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road 20158 over Lt Hand Fk Blacksmith is a wood or timber other carrying Road 20158 over Lt Hand Fk Blacksmith in Cache County, Utah. It was built in 1956, so it is 69 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 22 ft (6.7 m) long and 15 ft wide.

Location

Open in Google Maps
CarriesRoad 20158
CrossesLt Hand Fk Blacksmith
Location16 M NE of Logan
RouteFederal Lands Road 20158
CountyCache County
StateUtah
Coordinates41.6621, -111.65407
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeOther
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.5 m)
Deck width15 ft (4.5 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 20158 over Lt Hand Fk Blacksmith built?

It was built in 1956, making it 69 years old in 2025.

What condition is Road 20158 over Lt Hand Fk Blacksmith 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 September 2023.

How much traffic does Road 20158 over Lt Hand Fk Blacksmith carry?

About 50 vehicles per day (latest count).

How long is Road 20158 over Lt Hand Fk Blacksmith?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.5 m) and a deck 15 ft wide.

Who owns Road 20158 over Lt Hand Fk Blacksmith?

It is owned by the U.S. Forest Service.