US Bridges

S Monroe ST over Buff & Pitt RR

Fair

Butler County, Pennsylvania · Btw E. Cunn. & Maple Ave. · Structure no. 000000000044473

Built
2009
16 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
8,000
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Monroe ST over Buff & Pitt RR is a prestressed concrete box beam or girders - multiple carrying S Monroe ST over Buff & Pitt RR in Butler County, Pennsylvania. It was built in 2009, so it is 16 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 8,000 vehicles a day, roughly 5% of them trucks, projected to reach 10,000 by 2032. The structure is 60 ft (18.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS Monroe ST
CrossesBuff & Pitt RR
LocationBtw E. Cunn. & Maple Ave.
RouteCity Street 0
CountyButler County
StatePennsylvania
Coordinates40.8578, -79.88849
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59 US tons
Inventory rating42 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span54 ft (16.5 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck21 ft (6.4 m)

Traffic and service

Average daily traffic8,000 (2012)
Projected traffic10,000 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S Monroe ST over Buff & Pitt RR built?

It was built in 2009, making it 16 years old in 2025.

What condition is S Monroe ST over Buff & Pitt RR 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 September 2023.

How much traffic does S Monroe ST over Buff & Pitt RR carry?

About 8,000 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is S Monroe ST over Buff & Pitt RR?

The structure is 60 ft (18.3 m) long with a longest span of 54 ft (16.5 m) and a deck 38 ft wide.

Who owns S Monroe ST over Buff & Pitt RR?

It is owned by the City or Municipal Highway Agency.