US Bridges

LN Cnty RD 111 over Salt River

Fair

Lincoln County, Wyoming · 2 MI NW of Etna · Structure no. IXC

Built
1994
31 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
100 ft
3 main spans
Daily traffic
257
2024 count
Owner
County
County Highway Agency

About this bridge

LN Cnty RD 111 over Salt River is a steel continuous stringer/multi-beam or girder carrying LN Cnty RD 111 over Salt River in Lincoln County, Wyoming. It was built in 1994, so it is 31 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 257 vehicles a day, roughly 22% of them trucks, projected to reach 360 by 2043. The structure is 100 ft (30.5 m) long and 29 ft wide.

CarriesLN Cnty RD 111
CrossesSalt River
Location2 MI NW of Etna
RouteCounty Highway 111
StateWyoming
Coordinates43.0445, -111.03572
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating57.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic257 (2024)
Projected traffic360 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LN Cnty RD 111 over Salt River built?

It was built in 1994, making it 31 years old in 2025.

What condition is LN Cnty RD 111 over Salt River 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 July 2023.

How much traffic does LN Cnty RD 111 over Salt River carry?

About 257 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is LN Cnty RD 111 over Salt River?

The structure is 100 ft (30.5 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns LN Cnty RD 111 over Salt River?

It is owned by the County Highway Agency.