US Bridges

Fountain Flat Driv over Nez Perce Creek

Good

Teton County, Wyoming · 5.9 Mi. South of Madison · Structure no. 1570013P0000000

Built
1997
28 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
500
2019 count
Owner
Federal
National Park Service

About this bridge

Fountain Flat Driv over Nez Perce Creek is a prestressed concrete stringer/multi-beam or girder carrying Fountain Flat Driv over Nez Perce Creek in Teton County, Wyoming. It was built in 1997, so it is 28 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 750 by 2039. The structure is 97 ft (29.6 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFountain Flat Driv
CrossesNez Perce Creek
Location5.9 Mi. South of Madison
RouteFederal Lands Road 208
StateWyoming
Coordinates44.57767, -110.82975
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span93 ft (28.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2019)
Projected traffic750 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost$55,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fountain Flat Driv over Nez Perce Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Fountain Flat Driv over Nez Perce 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 September 2024.

How much traffic does Fountain Flat Driv over Nez Perce Creek carry?

About 500 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Fountain Flat Driv over Nez Perce Creek?

The structure is 97 ft (29.6 m) long with a longest span of 93 ft (28.3 m) and a deck 28 ft wide.

Who owns Fountain Flat Driv over Nez Perce Creek?

It is owned by the National Park Service.