US Bridges

SR 4002 Dawson Rd. over Over Dawson Run

Fair

Forest County, Pennsylvania · Harmony Township · Structure no. 000000000017254

Built
1952
73 years old, rebuilt 2019
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
32
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4002 Dawson Rd. over Over Dawson Run is a prestressed concrete box beam or girders - multiple carrying SR 4002 Dawson Rd. over Over Dawson Run in Forest County, Pennsylvania. It was built in 1952 and reconstructed in 2019, so it is 73 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.

It carries about 32 vehicles a day, roughly 19% of them trucks, projected to reach 58 by 2032. The structure is 28 ft (8.5 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 4002 Dawson Rd.
CrossesOver Dawson Run
LocationHarmony Township
RouteState Highway 0
Coordinates41.5376, -79.43989
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (2023)
Projected traffic58 by 2032
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4002 Dawson Rd. over Over Dawson Run built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2019.

What condition is SR 4002 Dawson Rd. over Over Dawson Run 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 July 2023.

How much traffic does SR 4002 Dawson Rd. over Over Dawson Run carry?

About 32 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is SR 4002 Dawson Rd. over Over Dawson Run?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 25 ft wide.

Who owns SR 4002 Dawson Rd. over Over Dawson Run?

It is owned by the State Highway Agency.