US Bridges

SR 3001 over Whitethorn Run

Fair

Union County, Pennsylvania · 2.MI NW of Glen Iron · Structure no. 000000000033537

Built
1925
100 years old, rebuilt 2020
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
260
2024 count
Owner
State
State Highway Agency

About this bridge

SR 3001 over Whitethorn Run is a prestressed concrete box beam or girders - multiple carrying SR 3001 over Whitethorn Run in Union County, Pennsylvania. It was built in 1925 and reconstructed in 2020, so it is 100 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 260 vehicles a day, roughly 2% of them trucks, projected to reach 288 by 2032. The structure is 49 ft (14.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 3001
CrossesWhitethorn Run
Location2.MI NW of Glen Iron
RouteState Highway 0
Coordinates40.86661, -77.21567
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 19 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width26 ft (7.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2024)
Projected traffic288 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$190,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 3001 over Whitethorn Run built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2020.

What condition is SR 3001 over Whitethorn 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 October 2024.

How much traffic does SR 3001 over Whitethorn Run carry?

About 260 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 3001 over Whitethorn Run?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 26 ft wide.

Who owns SR 3001 over Whitethorn Run?

It is owned by the State Highway Agency.