US Bridges

Pa 997; Cumb.Hwy. over Conodoguinet Creek

Good

Franklin County, Pennsylvania · S. of Roxbury · Structure no. 000000000056021

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
95 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 steel stringer/multi-beam or girder carrying Pa 997; Cumb.Hwy. over Conodoguinet Creek in Franklin County, Pennsylvania. It was built in 2018, so it is 7 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,225 vehicles a day, roughly 7% of them trucks, projected to reach 6,274 by 2032. The structure is 95 ft (29 m) long and 36 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
LocationS. of Roxbury
RouteState Highway 997
CountyFranklin County
StatePennsylvania
Coordinates40.10902, -77.66234
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length95 ft (29 m)
Longest span92 ft (28 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 2018, making it 7 years old in 2025.

What condition is Pa 997; Cumb.Hwy. over Conodoguinet Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 95 ft (29 m) long with a longest span of 92 ft (28 m) and a deck 36 ft wide.

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

It is owned by the State Highway Agency.