US Bridges

Iron Street over Hinckston Run

PoorPosted for load

Cambria County, Pennsylvania · 0.25MILE N.E. of Broad ST · Structure no. 000000000057231

Built
1930
95 years old
Condition
Poor
inspected October 2023
Type
Slab
Concrete
Length
35 ft
2 main spans
Daily traffic
100
2022 count
Owner
Local
Other Local Agency

About this bridge

Iron Street over Hinckston Run is a concrete slab carrying Iron Street over Hinckston Run in Cambria County, Pennsylvania. It was built in 1930, so it is 95 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 101 by 2042. The structure is 35 ft (10.7 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIron Street
CrossesHinckston Run
Location0.25MILE N.E. of Broad ST
RouteCity Street 0
Coordinates40.34101, -78.92394
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width59 ft (18 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic101 by 2042
Trucks5%
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

OwnerOther Local Agency
Maintained byOther Local 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 Iron Street over Hinckston Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is Iron Street over Hinckston 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 2023.

How much traffic does Iron Street over Hinckston Run carry?

About 100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Iron Street over Hinckston Run?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 59 ft wide.

Who owns Iron Street over Hinckston Run?

It is owned by the Other Local Agency.