US Bridges

Pa 997; Cumb.Hwy. over Conodoguinet Creek

Fair

Franklin County, Pennsylvania · 0.25 Mi.S. of Roxbury · Structure no. 000000000017472

Built
1929
96 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
4,225
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 997; Cumb.Hwy. over Conodoguinet Creek is a concrete tee beam carrying Pa 997; Cumb.Hwy. over Conodoguinet Creek in Franklin County, Pennsylvania. It was built in 1929, so it is 96 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 4,225 vehicles a day, roughly 7% of them trucks, projected to reach 6,274 by 2032. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesPa 997; Cumb.Hwy.
CrossesConodoguinet Creek
Location0.25 Mi.S. of Roxbury
RouteState Highway 997
CountyFranklin County
StatePennsylvania
Coordinates40.10751, -77.66253
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,225 (2023)
Projected traffic6,274 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$224,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 997; Cumb.Hwy. over Conodoguinet Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Pa 997; Cumb.Hwy. over Conodoguinet 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 March 2024.

How much traffic does Pa 997; Cumb.Hwy. over Conodoguinet Creek carry?

About 4,225 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Pa 997; Cumb.Hwy. over Conodoguinet Creek?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 33 ft wide.

Who owns Pa 997; Cumb.Hwy. over Conodoguinet Creek?

It is owned by the State Highway Agency.