US Bridges

N-Flaugherty-Rn RD over Boggs Run

Fair

Allegheny County, Pennsylvania · 213001 N Flaugherty Rn RD · Structure no. 000000000002332

Built
1960
65 years old, rebuilt 2013
Condition
Fair
inspected June 2023
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
100
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

N-Flaugherty-Rn RD over Boggs Run is a prestressed concrete slab carrying N-Flaugherty-Rn RD over Boggs Run in Allegheny County, Pennsylvania. It was built in 1960 and reconstructed in 2013, so it is 65 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 105 by 2041. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesN-Flaugherty-Rn RD
CrossesBoggs Run
Location213001 N Flaugherty Rn RD
RouteCity Street 0
Coordinates40.54403, -80.25608
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic105 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$78,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N-Flaugherty-Rn RD over Boggs Run built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2013.

What condition is N-Flaugherty-Rn RD over Boggs 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 June 2023.

How much traffic does N-Flaugherty-Rn RD over Boggs Run carry?

About 100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is N-Flaugherty-Rn RD over Boggs Run?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns N-Flaugherty-Rn RD over Boggs Run?

It is owned by the Town or Township Highway Agency.