US Bridges

SR 4006 over Harmon Creek

FairPosted for load

Washington County, Pennsylvania · Hanover Township · Structure no. 000000000035112

Built
1950
75 years old, rebuilt 1972
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
2 main spans
Daily traffic
166
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4006 over Harmon Creek is a steel stringer/multi-beam or girder carrying SR 4006 over Harmon Creek in Washington County, Pennsylvania. It was built in 1950 and reconstructed in 1972, so it is 75 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 load restriction.

It carries about 166 vehicles a day, roughly 1% of them trucks, projected to reach 194 by 2032. The structure is 65 ft (19.8 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 4006
CrossesHarmon Creek
LocationHanover Township
RouteState Highway 0
Coordinates40.36993, -80.46182
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadH 20
Structure length65 ft (19.8 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2024)
Projected traffic194 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4006 over Harmon Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1972.

What condition is SR 4006 over Harmon 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 June 2024.

How much traffic does SR 4006 over Harmon Creek carry?

About 166 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 4006 over Harmon Creek?

The structure is 65 ft (19.8 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns SR 4006 over Harmon Creek?

It is owned by the State Highway Agency.