US Bridges

Pa 985 over Dalton Run

Fair

Somerset County, Pennsylvania · 1 Mi.N.Of Sulrhur Spring · Structure no. 000000000031506

Built
1954
71 years old, rebuilt 2014
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
3,356
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 985 over Dalton Run is a concrete tee beam carrying Pa 985 over Dalton Run in Somerset County, Pennsylvania. It was built in 1954 and reconstructed in 2014, so it is 71 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 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 3,356 vehicles a day, roughly 7% of them trucks, projected to reach 4,084 by 2032. The structure is 23 ft (7 m) long and 41 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesPa 985
CrossesDalton Run
Location1 Mi.N.Of Sulrhur Spring
RouteState Highway 985
CountySomerset County
StatePennsylvania
Coordinates40.27845, -78.96905
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,356 (2024)
Projected traffic4,084 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 985 over Dalton Run built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2014.

What condition is Pa 985 over Dalton 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 April 2023.

How much traffic does Pa 985 over Dalton Run carry?

About 3,356 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pa 985 over Dalton Run?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 41 ft wide.

Who owns Pa 985 over Dalton Run?

It is owned by the State Highway Agency.