US Bridges

SR 120-PA 120 over Elk Creek

Fair

Elk County, Pennsylvania · City of ST Marys · Structure no. 000000000015526

Built
1957
68 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
11,563
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over Elk Creek is a concrete culvert carrying SR 120-PA 120 over Elk Creek in Elk County, Pennsylvania. It was built in 1957, so it is 68 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 11,563 vehicles a day, roughly 12% of them trucks, projected to reach 15,363 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 120-PA 120
CrossesElk Creek
LocationCity of ST Marys
RouteState Highway 120
CountyElk County
StatePennsylvania
Coordinates41.42638, -78.56107
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 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; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,563 (2024)
Projected traffic15,363 by 2042
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 120-PA 120 over Elk Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 120-PA 120 over Elk 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 April 2024.

How much traffic does SR 120-PA 120 over Elk Creek carry?

About 11,563 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SR 120-PA 120 over Elk Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns SR 120-PA 120 over Elk Creek?

It is owned by the State Highway Agency.