US Bridges

T-447 Fort Run RD over Fort Run

Fair

Armstrong County, Pennsylvania · 235FT E of SR66 & SR128 · Structure no. 000000000055083

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
360
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-447 Fort Run RD over Fort Run is a concrete culvert carrying T-447 Fort Run RD over Fort Run in Armstrong County, Pennsylvania. It was built in 1979, so it is 46 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 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 360 vehicles a day, roughly 5% of them trucks, projected to reach 378 by 2038. The structure is 27 ft (8.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-447 Fort Run RD
CrossesFort Run
Location235FT E of SR66 & SR128
RouteCity Street 0
Coordinates40.77956, -79.52053
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2018)
Projected traffic378 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-447 Fort Run RD over Fort Run built?

It was built in 1979, making it 46 years old in 2025.

What condition is T-447 Fort Run RD over Fort 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 May 2024.

How much traffic does T-447 Fort Run RD over Fort Run carry?

About 360 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is T-447 Fort Run RD over Fort Run?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.

Who owns T-447 Fort Run RD over Fort Run?

It is owned by the Town or Township Highway Agency.