US Bridges

Forest Road 10242 over Greys River

Fair

Lincoln County, Wyoming · T36N R116W S28 · Structure no. 040303000001020

Built
1980
45 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
47 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road 10242 over Greys River is a concrete box beam or girders - multiple carrying Forest Road 10242 over Greys River in Lincoln County, Wyoming. It was built in 1980, so it is 45 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 47 ft (14.3 m) long and 15 ft wide.

Location

Open in Google Maps
CarriesForest Road 10242
CrossesGreys River
LocationT36N R116W S28
RouteFederal Lands Road 10242
CountyLincoln County
StateWyoming
Coordinates42.64799, -110.66276
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.4 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 proposedNone recorded
Estimated improvement cost$92,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest Road 10242 over Greys River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Forest Road 10242 over Greys 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 October 2023.

How much traffic does Forest Road 10242 over Greys River carry?

About 50 vehicles per day (latest count).

How long is Forest Road 10242 over Greys River?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 15 ft wide.

Who owns Forest Road 10242 over Greys River?

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