US Bridges

Road 80073 over Blacks Fork River

Good

Summit County, Utah · 19 MI E. of U-150 on 058 · Structure no. 041904000001048

Built
1976
49 years old, rebuilt 2000
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road 80073 over Blacks Fork River is a prestressed concrete stringer/multi-beam or girder carrying Road 80073 over Blacks Fork River in Summit County, Utah. It was built in 1976 and reconstructed in 2000, so it is 49 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 73 ft (22.3 m) long and 18 ft wide.

Location

Open in Google Maps
CarriesRoad 80073
CrossesBlacks Fork River
Location19 MI E. of U-150 on 058
RouteFederal Lands Road 80073
CountySummit County
StateUtah
Coordinates40.95895, -110.57963
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length73 ft (22.3 m)
Longest span73 ft (22.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 80073 over Blacks Fork River built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2000.

What condition is Road 80073 over Blacks Fork 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 August 2023.

How much traffic does Road 80073 over Blacks Fork River carry?

About 50 vehicles per day (latest count).

How long is Road 80073 over Blacks Fork River?

The structure is 73 ft (22.3 m) long with a longest span of 73 ft (22.3 m) and a deck 18 ft wide.

Who owns Road 80073 over Blacks Fork River?

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