US Bridges

Niantic Road over W. Br. Perkiomen Creek

PoorPosted for load

Montgomery County, Pennsylvania · Niantic 2803G9 · Structure no. 000000000027569

Built
1931
94 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
2 main spans
Daily traffic
2,689
2024 count
Owner
State
State Highway Agency

About this bridge

Niantic Road over W. Br. Perkiomen Creek is a steel stringer/multi-beam or girder carrying Niantic Road over W. Br. Perkiomen Creek in Montgomery County, Pennsylvania. It was built in 1931, so it is 94 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 3 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: posted for load restriction.

It carries about 2,689 vehicles a day, roughly 6% of them trucks, projected to reach 3,535 by 2032. The structure is 58 ft (17.7 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNiantic Road
CrossesW. Br. Perkiomen Creek
LocationNiantic 2803G9
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.38301, -75.58106
Functional classRural Minor Collector

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length58 ft (17.7 m)
Longest span27 ft (8.2 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,689 (2024)
Projected traffic3,535 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$866,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Niantic Road over W. Br. Perkiomen Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is Niantic Road over W. Br. Perkiomen 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 August 2023.

How much traffic does Niantic Road over W. Br. Perkiomen Creek carry?

About 2,689 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Niantic Road over W. Br. Perkiomen Creek?

The structure is 58 ft (17.7 m) long with a longest span of 27 ft (8.2 m) and a deck 31 ft wide.

Who owns Niantic Road over W. Br. Perkiomen Creek?

It is owned by the State Highway Agency.