US Bridges

SW Cnty RD 30 over Salt Wells Creek

Good

Sweetwater County, Wyoming · 22 MI SE of Rock Springs · Structure no. LDE

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
6
2024 count
Owner
County
County Highway Agency

About this bridge

SW Cnty RD 30 over Salt Wells Creek is a prestressed concrete tee beam carrying SW Cnty RD 30 over Salt Wells Creek in Sweetwater County, Wyoming. It was built in 2009, so it is 16 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 6 vehicles a day, roughly 17% of them trucks, projected to reach 8 by 2043. The structure is 115 ft (35.1 m) long and 30 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesSW Cnty RD 30
CrossesSalt Wells Creek
Location22 MI SE of Rock Springs
RouteCounty Highway 30
StateWyoming
Coordinates41.35604, -108.94038
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating51 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length115 ft (35.1 m)
Longest span112 ft (34.1 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6 (2024)
Projected traffic8 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 SW Cnty RD 30 over Salt Wells Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is SW Cnty RD 30 over Salt Wells Creek 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 SW Cnty RD 30 over Salt Wells Creek carry?

About 6 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SW Cnty RD 30 over Salt Wells Creek?

The structure is 115 ft (35.1 m) long with a longest span of 112 ft (34.1 m) and a deck 30 ft wide.

Who owns SW Cnty RD 30 over Salt Wells Creek?

It is owned by the County Highway Agency.