US Bridges

Township Road 597 over Tenmile Creek

PoorPosted for load

Greene County, Pennsylvania · Morgan & Jefferson Twp. · Structure no. 000000000018518

Built
1918
107 years old, rebuilt 2016
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel
Length
164 ft
1 main span
Daily traffic
15
1993 count
Owner
County
County Highway Agency

About this bridge

Township Road 597 over Tenmile Creek is a steel truss - thru carrying Township Road 597 over Tenmile Creek in Greene County, Pennsylvania. It was built in 1918 and reconstructed in 2016, so it is 107 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 150 by 2009. The structure is 164 ft (50 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesTownship Road 597
CrossesTenmile Creek
LocationMorgan & Jefferson Twp.
RouteCity Street 0T597
CountyGreene County
StatePennsylvania
Coordinates39.94603, -80.03966
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.
Superstructure4 PoorAdvanced section loss, deterioration, 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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating7.1 US tons
Inventory rating5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length164 ft (50 m)
Longest span162 ft (49.4 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic15 (1993)
Projected traffic150 by 2009
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road 597 over Tenmile Creek built?

It was built in 1918, making it 107 years old in 2025. It was reconstructed in 2016.

What condition is Township Road 597 over Tenmile 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 2024.

How much traffic does Township Road 597 over Tenmile Creek carry?

About 15 vehicles per day (1993 count).

How long is Township Road 597 over Tenmile Creek?

The structure is 164 ft (50 m) long with a longest span of 162 ft (49.4 m) and a deck 15 ft wide.

Who owns Township Road 597 over Tenmile Creek?

It is owned by the County Highway Agency.