US Bridges

T-336 (quarry Rd.) over Mountain Creek

Poor

Cumberland County, Pennsylvania · 0.2 MI from Bendersville · Structure no. 000000000056934

Built
1950
75 years old
Condition
Poor
inspected July 2023
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
99
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-336 (quarry Rd.) over Mountain Creek is a concrete slab carrying T-336 (quarry Rd.) over Mountain Creek in Cumberland County, Pennsylvania. It was built in 1950, 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 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 99 vehicles a day, projected to reach 99 by 2031. The structure is 29 ft (8.8 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-336 (quarry Rd.)
CrossesMountain Creek
Location0.2 MI from Bendersville
RouteCity Street 0
Coordinates40.0308, -77.30436
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.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2011)
Projected traffic99 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-336 (quarry Rd.) over Mountain Creek built?

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

What condition is T-336 (quarry Rd.) over Mountain 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 July 2023.

How much traffic does T-336 (quarry Rd.) over Mountain Creek carry?

About 99 vehicles per day (2011 count).

How long is T-336 (quarry Rd.) over Mountain Creek?

The structure is 29 ft (8.8 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns T-336 (quarry Rd.) over Mountain Creek?

It is owned by the Town or Township Highway Agency.