US Bridges

SR 0079 NB SB over Moon Run

Fair

Allegheny County, Pennsylvania · 200 Ft North of SR 51 · Structure no. 000000000000895

Built
1972
53 years old
Condition
Fair
inspected May 2022
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
56,299
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0079 NB SB over Moon Run is a concrete culvert carrying SR 0079 NB SB over Moon Run in Allegheny County, Pennsylvania. It was built in 1972, so it is 53 years old, younger 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 56,299 vehicles a day, roughly 23% of them trucks, projected to reach 39,913 by 2032. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 0079 NB SB
CrossesMoon Run
Location200 Ft North of SR 51
RouteInterstate 79
CountyAllegheny County
StatePennsylvania
Coordinates40.50431, -80.13752
Functional classUrban Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,299 (2024)
Projected traffic39,913 by 2032
Trucks23%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0079 NB SB over Moon Run built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 0079 NB SB over Moon 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 2022.

How much traffic does SR 0079 NB SB over Moon Run carry?

About 56,299 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is SR 0079 NB SB over Moon Run?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m).

Who owns SR 0079 NB SB over Moon Run?

It is owned by the State Highway Agency.