US Bridges

Na Cnty RD 131 over Salt Creek

Good

Natrona County, Wyoming · Midwest · Structure no. MLD

Built
2012
13 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
3 main spans
Daily traffic
597
2024 count
Owner
County
County Highway Agency

About this bridge

Na Cnty RD 131 over Salt Creek is a steel continuous stringer/multi-beam or girder carrying Na Cnty RD 131 over Salt Creek in Natrona County, Wyoming. It was built in 2012, so it is 13 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 597 vehicles a day, roughly 19% of them trucks, projected to reach 836 by 2043. The structure is 230 ft (70.1 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNa Cnty RD 131
CrossesSalt Creek
LocationMidwest
RouteCounty Highway 131
StateWyoming
Coordinates43.40664, -106.28365
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87.3 US tons
Inventory rating51.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length230 ft (70.1 m)
Longest span90 ft (27.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic597 (2024)
Projected traffic836 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Na Cnty RD 131 over Salt Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Na Cnty RD 131 over Salt 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 August 2024.

How much traffic does Na Cnty RD 131 over Salt Creek carry?

About 597 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Na Cnty RD 131 over Salt Creek?

The structure is 230 ft (70.1 m) long with a longest span of 90 ft (27.4 m) and a deck 29 ft wide.

Who owns Na Cnty RD 131 over Salt Creek?

It is owned by the County Highway Agency.