US Bridges

Wyo 530 over Blacks Fork River

Good

Sweetwater County, Wyoming · Green River - Utah Line · Structure no. CDA

Built
1963
62 years old, rebuilt 1995
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
408 ft
5 main spans
Daily traffic
2,068
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 530 over Blacks Fork River is a steel stringer/multi-beam or girder carrying Wyo 530 over Blacks Fork River in Sweetwater County, Wyoming. It was built in 1963 and reconstructed in 1995, so it is 62 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 2,068 vehicles a day, roughly 6% of them trucks, projected to reach 2,895 by 2043. The structure is 408 ft (124.4 m) long and 43 ft wide. If it were closed, the detour would be 59 mi (95 km).

CarriesWyo 530
CrossesBlacks Fork River
LocationGreen River - Utah Line
RouteState Highway 530
StateWyoming
Coordinates41.37956, -109.61003
Functional classRural Major Collector

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length408 ft (124.4 m)
Longest span95 ft (29 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,068 (2024)
Projected traffic2,895 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed59 mi (95 km)
TollOn a free road
National Highway SystemNo

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 Wyo 530 over Blacks Fork River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1995.

What condition is Wyo 530 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 June 2023.

How much traffic does Wyo 530 over Blacks Fork River carry?

About 2,068 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Wyo 530 over Blacks Fork River?

The structure is 408 ft (124.4 m) long with a longest span of 95 ft (29 m) and a deck 43 ft wide.

Who owns Wyo 530 over Blacks Fork River?

It is owned by the State Highway Agency.