US Bridges

Mormon Row over Ditch Creek

FairPosted for load

Teton County, Wyoming · 1 Mile North of Moose Jun · Structure no. 1460012P0000000

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
50
2011 count
Owner
Federal
National Park Service

About this bridge

Mormon Row over Ditch Creek is a steel stringer/multi-beam or girder carrying Mormon Row over Ditch Creek in Teton County, Wyoming. It was built in 2001, so it is 24 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. Its operating status is: posted for other load-capacity restriction.

It carries about 50 vehicles a day, projected to reach 53 by 2031. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMormon Row
CrossesDitch Creek
Location1 Mile North of Moose Jun
RouteU.S. Route 1460
CountyTeton County
StateWyoming
Coordinates43.65712, -110.66422
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating11 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span26 ft (7.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2011)
Projected traffic53 by 2031
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$23,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mormon Row over Ditch Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mormon Row over Ditch Creek 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 September 2023.

How much traffic does Mormon Row over Ditch Creek carry?

About 50 vehicles per day (2011 count).

How long is Mormon Row over Ditch Creek?

The structure is 40 ft (12.2 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns Mormon Row over Ditch Creek?

It is owned by the National Park Service.