US Bridges

T-429 Jackson Hill over Over Spring Creek

Poor

Warren County, Pennsylvania · Spring Creek Township · Structure no. 000000000034283

Built
1910
115 years old, rebuilt 2004
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
50
2007 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-429 Jackson Hill over Over Spring Creek is a steel stringer/multi-beam or girder carrying T-429 Jackson Hill over Over Spring Creek in Warren County, Pennsylvania. It was built in 1910 and reconstructed in 2004, so it is 115 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 50 vehicles a day, projected to reach 75 by 2029. The structure is 50 ft (15.2 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT-429 Jackson Hill
CrossesOver Spring Creek
LocationSpring Creek Township
RouteCity Street 7220
Coordinates41.85512, -79.54127
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2007)
Projected traffic75 by 2029
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$443,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-429 Jackson Hill over Over Spring Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2004.

What condition is T-429 Jackson Hill over Over Spring 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 April 2023.

How much traffic does T-429 Jackson Hill over Over Spring Creek carry?

About 50 vehicles per day (2007 count).

How long is T-429 Jackson Hill over Over Spring Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 14 ft wide.

Who owns T-429 Jackson Hill over Over Spring Creek?

It is owned by the Town or Township Highway Agency.