US Bridges

SR 1002 over Big Run

Fair

Juniata County, Pennsylvania · 2 MI W Oakland Mills · Structure no. 000000000020110

Built
1937
88 years old, rebuilt 1979
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
552
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1002 over Big Run is a steel stringer/multi-beam or girder carrying SR 1002 over Big Run in Juniata County, Pennsylvania. It was built in 1937 and reconstructed in 1979, so it is 88 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 552 vehicles a day, roughly 7% of them trucks, projected to reach 552 by 2044. The structure is 55 ft (16.8 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 1002
CrossesBig Run
Location2 MI W Oakland Mills
RouteState Highway 0
Coordinates40.61204, -77.35927
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length55 ft (16.8 m)
Longest span53 ft (16.2 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic552 (2024)
Projected traffic552 by 2044
Trucks7%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$431,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1002 over Big Run built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1979.

What condition is SR 1002 over Big 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 April 2024.

How much traffic does SR 1002 over Big Run carry?

About 552 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 1002 over Big Run?

The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 26 ft wide.

Who owns SR 1002 over Big Run?

It is owned by the State Highway Agency.