US Bridges

T-449 River Road over Rattlesnake Run

Fair

Clinton County, Pennsylvania · 5.1 MI Southeast of Hyner · Structure no. 000000000012398

Built
1901
124 years old, rebuilt 2015
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
20
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-449 River Road over Rattlesnake Run is a steel stringer/multi-beam or girder carrying T-449 River Road over Rattlesnake Run in Clinton County, Pennsylvania. It was built in 1901 and reconstructed in 2015, so it is 124 years old, older 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 6 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 20 vehicles a day, projected to reach 28 by 2045. The structure is 43 ft (13.1 m) long and 17 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesT-449 River Road
CrossesRattlesnake Run
Location5.1 MI Southeast of Hyner
RouteCity Street 0
CountyClinton County
StatePennsylvania
Coordinates41.2693, -77.5918
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span29 ft (8.8 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic28 by 2045
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$30,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-449 River Road over Rattlesnake Run built?

It was built in 1901, making it 124 years old in 2025. It was reconstructed in 2015.

What condition is T-449 River Road over Rattlesnake Run 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 August 2023.

How much traffic does T-449 River Road over Rattlesnake Run carry?

About 20 vehicles per day (2023 count).

How long is T-449 River Road over Rattlesnake Run?

The structure is 43 ft (13.1 m) long with a longest span of 29 ft (8.8 m) and a deck 17 ft wide.

Who owns T-449 River Road over Rattlesnake Run?

It is owned by the Town or Township Highway Agency.