US Bridges

SR 4006 over Harmon Creek

Fair

Washington County, Pennsylvania · Hanover & Smith Townships · Structure no. 000000000035114

Built
1941
84 years old, rebuilt 2018
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
166
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4006 over Harmon Creek is a prestressed concrete box beam or girders - multiple carrying SR 4006 over Harmon Creek in Washington County, Pennsylvania. It was built in 1941 and reconstructed in 2018, so it is 84 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 166 vehicles a day, roughly 1% of them trucks, projected to reach 194 by 2032. The structure is 36 ft (11 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 4006
CrossesHarmon Creek
LocationHanover & Smith Townships
RouteState Highway 0
Coordinates40.3792, -80.43544
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 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 proposedNone recorded
Estimated improvement cost$395,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4006 over Harmon Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2018.

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 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns SR 4006 over Harmon Creek?

It is owned by the State Highway Agency.