US Bridges

Rock School Bridge over Kings Creek Trib.

Good

Washington County, Pennsylvania · 250 South of TR 869 · Structure no. 000000000035286

Built
1902
123 years old, rebuilt 2016
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
30
2016 count
Owner
County
County Highway Agency

About this bridge

Rock School Bridge over Kings Creek Trib. is a steel stringer/multi-beam or girder carrying Rock School Bridge over Kings Creek Trib. in Washington County, Pennsylvania. It was built in 1902 and reconstructed in 2016, so it is 123 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 30 by 2033. The structure is 46 ft (14 m) long and 13 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRock School Bridge
CrossesKings Creek Trib.
Location250 South of TR 869
RouteCity Street 0
Coordinates40.45959, -80.48932
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2016)
Projected traffic30 by 2033
Trucks0%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$79,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rock School Bridge over Kings Creek Trib. built?

It was built in 1902, making it 123 years old in 2025. It was reconstructed in 2016.

What condition is Rock School Bridge over Kings Creek Trib. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Rock School Bridge over Kings Creek Trib. carry?

About 30 vehicles per day (2016 count).

How long is Rock School Bridge over Kings Creek Trib.?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 13 ft wide.

Who owns Rock School Bridge over Kings Creek Trib.?

It is owned by the County Highway Agency.