US Bridges

Township Road 489 over Smith Creek

Poor

Greene County, Pennsylvania · Franklin Township · Structure no. 000000000018498

Built
1919
106 years old
Condition
Poor
inspected August 2024
Type
Arch - Deck
Concrete
Length
32 ft
1 main span
Daily traffic
41
1993 count
Owner
County
County Highway Agency

About this bridge

Township Road 489 over Smith Creek is a concrete arch - deck carrying Township Road 489 over Smith Creek in Greene County, Pennsylvania. It was built in 1919, so it is 106 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 41 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 1992. The structure is 32 ft (9.8 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTownship Road 489
CrossesSmith Creek
LocationFranklin Township
RouteCity Street 0T489
Coordinates39.85405, -80.19941
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (1993)
Projected traffic50 by 1992
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$68,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road 489 over Smith Creek built?

It was built in 1919, making it 106 years old in 2025.

What condition is Township Road 489 over Smith 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 489 over Smith Creek carry?

About 41 vehicles per day (1993 count), of which roughly 5% are trucks.

How long is Township Road 489 over Smith Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 14 ft wide.

Who owns Township Road 489 over Smith Creek?

It is owned by the County Highway Agency.