US Bridges

Spring Hill RD over N-S Rr/R-R St/Creek

PoorClosed to traffic

Allegheny County, Pennsylvania · P09203 Wall Borough · Structure no. 000000000002708

Built
1915
110 years old, rebuilt 1972
Condition
Poor
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
268 ft
2 main spans
Daily traffic
2,002
2005 count
Owner
Railroad
Railroad

About this bridge

Spring Hill RD over N-S Rr/R-R St/Creek is a steel girder and floorbeam system carrying Spring Hill RD over N-S Rr/R-R St/Creek in Allegheny County, Pennsylvania. It was built in 1915 and reconstructed in 1972, so it is 110 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 1 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 2,002 vehicles a day, roughly 5% of them trucks, projected to reach 2,200 by 2025. The structure is 268 ft (81.7 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSpring Hill RD
CrossesN-S Rr/R-R St/Creek
LocationP09203 Wall Borough
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.394, -79.79802
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26 US tons
Inventory rating15 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span120 ft (36.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,002 (2005)
Projected traffic2,200 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Hill RD over N-S Rr/R-R St/Creek built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1972.

What condition is Spring Hill RD over N-S Rr/R-R St/Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Spring Hill RD over N-S Rr/R-R St/Creek carry?

About 2,002 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Spring Hill RD over N-S Rr/R-R St/Creek?

The structure is 268 ft (81.7 m) long with a longest span of 120 ft (36.6 m) and a deck 27 ft wide.

Who owns Spring Hill RD over N-S Rr/R-R St/Creek?

It is owned by the Railroad and maintained by the City or Municipal Highway Agency.