US Bridges

SR 666 D Zeis HWY over Over Lower Sheriff Run

Fair

Forest County, Pennsylvania · Howe Township · Structure no. 000000000017216

Built
1917
108 years old, rebuilt 1992
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
139
2023 count
Owner
State
State Highway Agency

About this bridge

SR 666 D Zeis HWY over Over Lower Sheriff Run is a concrete slab carrying SR 666 D Zeis HWY over Over Lower Sheriff Run in Forest County, Pennsylvania. It was built in 1917 and reconstructed in 1992, so it is 108 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 139 vehicles a day, roughly 18% of them trucks, projected to reach 267 by 2032. The structure is 21 ft (6.4 m) long and 26 ft wide. If it were closed, the detour would be 67.7 mi (109 km).

Location

Open in Google Maps
CarriesSR 666 D Zeis HWY
CrossesOver Lower Sheriff Run
LocationHowe Township
RouteState Highway 666
CountyForest County
StatePennsylvania
Coordinates41.61855, -79.11514
Functional classRural Major Collector

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.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: 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 rating99 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length21 ft (6.4 m)
Longest span19 ft (5.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2023)
Projected traffic267 by 2032
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.7 mi (109 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 666 D Zeis HWY over Over Lower Sheriff Run built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1992.

What condition is SR 666 D Zeis HWY over Over Lower Sheriff 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 November 2024.

How much traffic does SR 666 D Zeis HWY over Over Lower Sheriff Run carry?

About 139 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is SR 666 D Zeis HWY over Over Lower Sheriff Run?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns SR 666 D Zeis HWY over Over Lower Sheriff Run?

It is owned by the State Highway Agency.