US Bridges

Stafford Ferry RD over Taffy Creek

Good

Fergus County, Montana · 7M N Winifred · Structure no. 000000202002750

Built
2020
5 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
168
2023 count
Owner
County
County Highway Agency

About this bridge

Stafford Ferry RD over Taffy Creek is a steel stringer/multi-beam or girder carrying Stafford Ferry RD over Taffy Creek in Fergus County, Montana. It was built in 2020, so it is 5 years old, younger than the Montana average of 47 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 168 vehicles a day, roughly 3% of them trucks, projected to reach 177 by 2043. The structure is 80 ft (24.4 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesStafford Ferry RD
CrossesTaffy Creek
Location7M N Winifred
RouteCounty Highway 14101
CountyFergus County
StateMontana
Coordinates47.6558, -109.3346
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span76 ft (23.2 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic168 (2023)
Projected traffic177 by 2043
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stafford Ferry RD over Taffy Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Stafford Ferry RD over Taffy 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 August 2023.

How much traffic does Stafford Ferry RD over Taffy Creek carry?

About 168 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Stafford Ferry RD over Taffy Creek?

The structure is 80 ft (24.4 m) long with a longest span of 76 ft (23.2 m) and a deck 25 ft wide.

Who owns Stafford Ferry RD over Taffy Creek?

It is owned by the County Highway Agency.