US Bridges

Harp 958 over Dry Fork

Poor

McDowell County, West Virginia · 0.02 Mile North of Wv 80 · Structure no. 00000000024A360

Built
1977
48 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
1 main span
Daily traffic
40
2022 count
Owner
State
State Highway Agency

About this bridge

Harp 958 over Dry Fork is a steel stringer/multi-beam or girder carrying Harp 958 over Dry Fork in McDowell County, West Virginia. It was built in 1977, so it is 48 years old, older than the West Virginia average of 44.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 40 vehicles a day, roughly 9% of them trucks, projected to reach 42 by 2042. The structure is 149 ft (45.3 m) long and 12 ft wide.

CarriesHarp 958
CrossesDry Fork
Location0.02 Mile North of Wv 80
Coordinates37.37147, -81.80224
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating95 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length149 ft (45.3 m)
Longest span52 ft (15.8 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic42 by 2042
Trucks9%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$450,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harp 958 over Dry Fork built?

It was built in 1977, making it 48 years old in 2025.

What condition is Harp 958 over Dry Fork in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Harp 958 over Dry Fork carry?

About 40 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Harp 958 over Dry Fork?

The structure is 149 ft (45.3 m) long with a longest span of 52 ft (15.8 m) and a deck 12 ft wide.

Who owns Harp 958 over Dry Fork?

It is owned by the State Highway Agency.