US Bridges

T318 Sandy Run RD over Sandy Run

FairPosted for load

Somerset County, Pennsylvania · 6 Mi.W.Of New Lexington · Structure no. 000000000031907

Built
1910
115 years old, rebuilt 2001
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
31 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

T318 Sandy Run RD over Sandy Run is a concrete arch - deck carrying T318 Sandy Run RD over Sandy Run in Somerset County, Pennsylvania. It was built in 1910 and reconstructed in 2001, so it is 115 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. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 1% of them trucks, projected to reach 31 by 2044. The structure is 31 ft (9.4 m) long and 13 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesT318 Sandy Run RD
CrossesSandy Run
Location6 Mi.W.Of New Lexington
RouteCity Street 0
CountySomerset County
StatePennsylvania
Coordinates39.9333, -79.3365
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
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width13 ft (3.9 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic31 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T318 Sandy Run RD over Sandy Run built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2001.

What condition is T318 Sandy Run RD over Sandy 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 September 2024.

How much traffic does T318 Sandy Run RD over Sandy Run carry?

About 25 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is T318 Sandy Run RD over Sandy Run?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 13 ft wide.

Who owns T318 Sandy Run RD over Sandy Run?

It is owned by the County Highway Agency.