US Bridges

Liberty Twp T-315 over Zimmerman Creek

Fair

Tioga County, Pennsylvania · Village of Nauvoo · Structure no. 000000000033283

Built
1980
45 years old
Condition
Fair
inspected June 2023
Type
Other
Wood or Timber
Length
58 ft
2 main spans
Daily traffic
60
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Liberty Twp T-315 over Zimmerman Creek is a wood or timber other carrying Liberty Twp T-315 over Zimmerman Creek in Tioga County, Pennsylvania. It was built in 1980, so it is 45 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 60 vehicles a day, projected to reach 93 by 2045. The structure is 58 ft (17.7 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLiberty Twp T-315
CrossesZimmerman Creek
LocationVillage of Nauvoo
RouteCity Street 0
CountyTioga County
StatePennsylvania
Coordinates41.56428, -77.20917
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment7: Better than present minimum criteria
Operating rating87 US tons
Inventory rating63.1 US tons

Structure

Structure typeOther
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span26 ft (7.9 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic93 by 2045
Trucks0%
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

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$92,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Liberty Twp T-315 over Zimmerman Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Liberty Twp T-315 over Zimmerman Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Liberty Twp T-315 over Zimmerman Creek carry?

About 60 vehicles per day (2023 count).

How long is Liberty Twp T-315 over Zimmerman Creek?

The structure is 58 ft (17.7 m) long with a longest span of 26 ft (7.9 m) and a deck 19 ft wide.

Who owns Liberty Twp T-315 over Zimmerman Creek?

It is owned by the Town or Township Highway Agency.