US Bridges

US 189 over North Fork Green River

Fair

Sublette County, Wyoming · Kemmerer - Daniel JCT · Structure no. DMC

Built
1981
44 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
163 ft
2 main spans
Daily traffic
1,434
2024 count
Owner
State
State Highway Agency

About this bridge

US 189 over North Fork Green River is a steel continuous stringer/multi-beam or girder carrying US 189 over North Fork Green River in Sublette County, Wyoming. It was built in 1981, so it is 44 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 5 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 1,434 vehicles a day, roughly 9% of them trucks, projected to reach 2,008 by 2043. The structure is 163 ft (49.8 m) long and 43 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesUS 189
CrossesNorth Fork Green River
LocationKemmerer - Daniel JCT
RouteU.S. Route 189
StateWyoming
Coordinates42.87706, -110.07182
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length163 ft (49.8 m)
Longest span80 ft (24.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,434 (2024)
Projected traffic2,008 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 189 over North Fork Green River built?

It was built in 1981, making it 44 years old in 2025.

What condition is US 189 over North Fork Green 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 2024.

How much traffic does US 189 over North Fork Green River carry?

About 1,434 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is US 189 over North Fork Green River?

The structure is 163 ft (49.8 m) long with a longest span of 80 ft (24.5 m) and a deck 43 ft wide.

Who owns US 189 over North Fork Green River?

It is owned by the State Highway Agency.