US Bridges

Mansfield Br over Mon Rv LR736 5th a & Rrs

Fair

Allegheny County, Pennsylvania · MA14 Mansfield-Dravosbg · Structure no. 000000000002579

Built
1951
74 years old, rebuilt 2015
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel Continuous
Length
1,931 ft
3 main spans
Daily traffic
26,416
2005 count
Owner
County
County Highway Agency

About this bridge

Mansfield Br over Mon Rv LR736 5th a & Rrs is a steel continuous truss - thru carrying Mansfield Br over Mon Rv LR736 5th a & Rrs in Allegheny County, Pennsylvania. It was built in 1951 and reconstructed in 2015, so it is 74 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 26,416 vehicles a day, roughly 4% of them trucks, projected to reach 30,000 by 2022. The structure is 1,931 ft (588.6 m) long and 53 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMansfield Br
CrossesMon Rv LR736 5th a & Rrs
LocationMA14 Mansfield-Dravosbg
RouteState Highway 0
Coordinates40.34518, -79.88574
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+10 approach)
Design loadHS 20
Structure length1,931 ft (588.6 m)
Longest span500 ft (152.4 m)
Deck width53 ft (16.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic26,416 (2005)
Projected traffic30,000 by 2022
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$962,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mansfield Br over Mon Rv LR736 5th a & Rrs built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2015.

What condition is Mansfield Br over Mon Rv LR736 5th a & Rrs 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 Mansfield Br over Mon Rv LR736 5th a & Rrs carry?

About 26,416 vehicles per day (2005 count), of which roughly 4% are trucks.

How long is Mansfield Br over Mon Rv LR736 5th a & Rrs?

The structure is 1,931 ft (588.6 m) long with a longest span of 500 ft (152.4 m) and a deck 53 ft wide.

Who owns Mansfield Br over Mon Rv LR736 5th a & Rrs?

It is owned by the County Highway Agency.