US Bridges

Huron Street over Chestnut Run

PoorClosed to traffic

Mercer County, Pennsylvania · 400FT South of Morimer · Structure no. 000000000026267

Built
1897
128 years old, rebuilt 1985
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
28
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Huron Street over Chestnut Run is a steel stringer/multi-beam or girder carrying Huron Street over Chestnut Run in Mercer County, Pennsylvania. It was built in 1897 and reconstructed in 1985, so it is 128 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 1 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: closed to all traffic.

It carries about 28 vehicles a day, roughly 4% of them trucks, projected to reach 40 by 2037. The structure is 29 ft (8.8 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHuron Street
CrossesChestnut Run
Location400FT South of Morimer
RouteCity Street 7225
Coordinates41.32047, -80.46297
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
Deck7 GoodSome minor problems.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating3 US tons
Inventory rating2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width29 ft (8.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2017)
Projected traffic40 by 2037
Trucks4%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$360,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Huron Street over Chestnut Run built?

It was built in 1897, making it 128 years old in 2025. It was reconstructed in 1985.

What condition is Huron Street over Chestnut 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 August 2023.

How much traffic does Huron Street over Chestnut Run carry?

About 28 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Huron Street over Chestnut Run?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 29 ft wide.

Who owns Huron Street over Chestnut Run?

It is owned by the Town or Township Highway Agency.