US Bridges

Boundary RD over Rocky Spring Trib

Fair

Franklin County, Pennsylvania · 0.3 MI East of Keefer RD · Structure no. 000000000017673

Built
1997
28 years old
Condition
Fair
inspected October 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
31 ft
2 main spans
Daily traffic
200
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Boundary RD over Rocky Spring Trib is a aluminum, wrought iron, or cast iron culvert carrying Boundary RD over Rocky Spring Trib in Franklin County, Pennsylvania. It was built in 1997, so it is 28 years old, younger 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 200 vehicles a day, projected to reach 270 by 2029. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBoundary RD
CrossesRocky Spring Trib
Location0.3 MI East of Keefer RD
RouteCity Street 0
Coordinates39.98047, -77.70019
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width26 ft (8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2009)
Projected traffic270 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Boundary RD over Rocky Spring Trib built?

It was built in 1997, making it 28 years old in 2025.

What condition is Boundary RD over Rocky Spring Trib 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 2023.

How much traffic does Boundary RD over Rocky Spring Trib carry?

About 200 vehicles per day (2009 count).

How long is Boundary RD over Rocky Spring Trib?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns Boundary RD over Rocky Spring Trib?

It is owned by the Town or Township Highway Agency.