US Bridges

SR 666 D Zeis HWY over Over Fork Run

Fair

Forest County, Pennsylvania · Kingsley Township · Structure no. 000000000017210

Built
1941
84 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
139
2023 count
Owner
State
State Highway Agency

About this bridge

SR 666 D Zeis HWY over Over Fork Run is a concrete culvert carrying SR 666 D Zeis HWY over Over Fork Run in Forest County, Pennsylvania. It was built in 1941, so it is 84 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 139 vehicles a day, roughly 18% of them trucks, projected to reach 267 by 2032. The structure is 23 ft (7 m) long and 43 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

Location

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CarriesSR 666 D Zeis HWY
CrossesOver Fork Run
LocationKingsley Township
RouteState Highway 666
CountyForest County
StatePennsylvania
Coordinates41.54052, -79.26104
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width43 ft (13.1 m)
Roadway width28 ft (8.6 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 closed54.1 mi (87 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 SR 666 D Zeis HWY over Over Fork Run built?

It was built in 1941, making it 84 years old in 2025.

What condition is SR 666 D Zeis HWY over Over Fork 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 May 2023.

How much traffic does SR 666 D Zeis HWY over Over Fork 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 Fork Run?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 43 ft wide.

Who owns SR 666 D Zeis HWY over Over Fork Run?

It is owned by the State Highway Agency.