US Bridges

T-621 Cty Br # 85 over Shingle Run

PoorPosted for load

Columbia County, Pennsylvania · 1.1 Mi. NW of Iola · Structure no. 000000000012841

Built
1930
95 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

T-621 Cty Br # 85 over Shingle Run is a steel stringer/multi-beam or girder carrying T-621 Cty Br # 85 over Shingle Run in Columbia County, Pennsylvania. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 116 by 2046. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT-621 Cty Br # 85
CrossesShingle Run
Location1.1 Mi. NW of Iola
RouteCity Street 0
Coordinates41.15235, -76.53688
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic116 by 2046
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$99,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-621 Cty Br # 85 over Shingle Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is T-621 Cty Br # 85 over Shingle Run 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 May 2023.

How much traffic does T-621 Cty Br # 85 over Shingle Run carry?

About 75 vehicles per day (2024 count).

How long is T-621 Cty Br # 85 over Shingle Run?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns T-621 Cty Br # 85 over Shingle Run?

It is owned by the County Highway Agency.