US Bridges

Fornance Street over Sawmill Run

Poor

Montgomery County, Pennsylvania · 1600 Ft SE.TR202N 3367-H1 · Structure no. 000000000028223

Built
1932
93 years old
Condition
Poor
inspected October 2022
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
8,260
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Fornance Street over Sawmill Run is a concrete slab carrying Fornance Street over Sawmill Run in Montgomery County, Pennsylvania. It was built in 1932, so it is 93 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 4 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.

It carries about 8,260 vehicles a day, roughly 1% of them trucks, projected to reach 10,000 by 2038. The structure is 24 ft (7.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFornance Street
CrossesSawmill Run
Location1600 Ft SE.TR202N 3367-H1
RouteCity Street 0
Coordinates40.11996, -75.32984
Functional classUrban Minor Arterial

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,260 (2018)
Projected traffic10,000 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$92,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fornance Street over Sawmill Run built?

It was built in 1932, making it 93 years old in 2025.

What condition is Fornance Street over Sawmill Run 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 2022.

How much traffic does Fornance Street over Sawmill Run carry?

About 8,260 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Fornance Street over Sawmill Run?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns Fornance Street over Sawmill Run?

It is owned by the Town or Township Highway Agency.