US Bridges

T-373 Runk Road over Aughwick Creek

FairPosted for load

Huntingdon County, Pennsylvania · 1.5 M.Sw.Of Shirleysburg · Structure no. 000000000018931

Built
1911
114 years old, rebuilt 2012
Condition
Fair
inspected October 2024
Type
Truss - Thru
Steel
Length
270 ft
2 main spans
Daily traffic
211
2024 count
Owner
County
County Highway Agency

About this bridge

T-373 Runk Road over Aughwick Creek is a steel truss - thru carrying T-373 Runk Road over Aughwick Creek in Huntingdon County, Pennsylvania. It was built in 1911 and reconstructed in 2012, so it is 114 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 211 vehicles a day, roughly 1% of them trucks, projected to reach 90 by 2044. The structure is 270 ft (82.3 m) long and 13 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT-373 Runk Road
CrossesAughwick Creek
Location1.5 M.Sw.Of Shirleysburg
RouteCity Street 0
Coordinates40.27796, -77.88715
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating24 US tons
Inventory rating14 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans2
Design loadH 10
Structure length270 ft (82.3 m)
Longest span132 ft (40.2 m)
Deck width13 ft (4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic211 (2024)
Projected traffic90 by 2044
Trucks1%
Lanes on structure1
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T-373 Runk Road over Aughwick Creek built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 2012.

What condition is T-373 Runk Road over Aughwick 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 October 2024.

How much traffic does T-373 Runk Road over Aughwick Creek carry?

About 211 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is T-373 Runk Road over Aughwick Creek?

The structure is 270 ft (82.3 m) long with a longest span of 132 ft (40.2 m) and a deck 13 ft wide.

Who owns T-373 Runk Road over Aughwick Creek?

It is owned by the County Highway Agency.