US Bridges

On Tsr 306 over Two Mile Run

Good

Clinton County, Pennsylvania · 2 Mile West Westport · Structure no. 000000000012369

Built
1918
107 years old, rebuilt 2004
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
203
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 306 over Two Mile Run is a steel stringer/multi-beam or girder carrying On Tsr 306 over Two Mile Run in Clinton County, Pennsylvania. It was built in 1918 and reconstructed in 2004, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 203 vehicles a day, roughly 7% of them trucks, projected to reach 186 by 2044. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesOn Tsr 306
CrossesTwo Mile Run
Location2 Mile West Westport
RouteState Highway 0
CountyClinton County
StatePennsylvania
Coordinates41.31604, -77.85887
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating98 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width23 ft (7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic203 (2024)
Projected traffic186 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$407,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 306 over Two Mile Run built?

It was built in 1918, making it 107 years old in 2025. It was reconstructed in 2004.

What condition is On Tsr 306 over Two Mile Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does On Tsr 306 over Two Mile Run carry?

About 203 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is On Tsr 306 over Two Mile Run?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns On Tsr 306 over Two Mile Run?

It is owned by the State Highway Agency.