US Bridges

Harp Route 978 over Br of Rockcastle Creek

PoorPosted for load

Wyoming County, West Virginia · 0.02 MI S of CO 10/14 · Structure no. 00000000055A242

Built
2001
24 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
40
2022 count
Owner
State
State Highway Agency

About this bridge

Harp Route 978 over Br of Rockcastle Creek is a steel stringer/multi-beam or girder carrying Harp Route 978 over Br of Rockcastle Creek in Wyoming County, West Virginia. It was built in 2001, so it is 24 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 7% of them trucks, projected to reach 42 by 2042. The structure is 37 ft (11.4 m) long and 12 ft wide.

CarriesHarp Route 978
CrossesBr of Rockcastle Creek
Location0.02 MI S of CO 10/14
Coordinates37.61617, -81.53614
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.4 m)
Longest span32 ft (9.7 m)
Deck width12 ft (3.6 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic42 by 2042
Trucks7%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harp Route 978 over Br of Rockcastle Creek built?

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

What condition is Harp Route 978 over Br of Rockcastle Creek 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 May 2023.

How much traffic does Harp Route 978 over Br of Rockcastle Creek carry?

About 40 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Harp Route 978 over Br of Rockcastle Creek?

The structure is 37 ft (11.4 m) long with a longest span of 32 ft (9.7 m) and a deck 12 ft wide.

Who owns Harp Route 978 over Br of Rockcastle Creek?

It is owned by the State Highway Agency.