US Bridges

T-356 Cluck Ridge over N.Br.Mahantango Cr.

PoorPosted for load

Snyder County, Pennsylvania · 0.5 Mi.E.Of Fremont · Structure no. 000000000031296

Built
1950
75 years old, rebuilt 1990
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
50
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-356 Cluck Ridge over N.Br.Mahantango Cr. is a steel stringer/multi-beam or girder carrying T-356 Cluck Ridge over N.Br.Mahantango Cr. in Snyder County, Pennsylvania. It was built in 1950 and reconstructed in 1990, so it is 75 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 77 by 2031. The structure is 31 ft (9.4 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-356 Cluck Ridge
CrossesN.Br.Mahantango Cr.
Location0.5 Mi.E.Of Fremont
RouteCity Street 0
Coordinates40.72353, -77.00684
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28 US tons
Inventory rating17 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2009)
Projected traffic77 by 2031
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-356 Cluck Ridge over N.Br.Mahantango Cr. built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1990.

What condition is T-356 Cluck Ridge over N.Br.Mahantango Cr. 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 September 2023.

How much traffic does T-356 Cluck Ridge over N.Br.Mahantango Cr. carry?

About 50 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is T-356 Cluck Ridge over N.Br.Mahantango Cr.?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 18 ft wide.

Who owns T-356 Cluck Ridge over N.Br.Mahantango Cr.?

It is owned by the Town or Township Highway Agency.