US Bridges

T-364 Turbot Twp. over Over Muddy Run

Poor

Northumberland County, Pennsylvania · 4 MI N of Milton · Structure no. 000000000029371

Built
1949
76 years old, rebuilt 2024
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
2 main spans
Daily traffic
150
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-364 Turbot Twp. over Over Muddy Run is a steel stringer/multi-beam or girder carrying T-364 Turbot Twp. over Over Muddy Run in Northumberland County, Pennsylvania. It was built in 1949 and reconstructed in 2024, so it is 76 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 150 vehicles a day, projected to reach 232 by 2045. The structure is 54 ft (16.5 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-364 Turbot Twp.
CrossesOver Muddy Run
Location4 MI N of Milton
RouteCity Street 0T364
Coordinates41.04358, -76.80067
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span26 ft (7.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic232 by 2045
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-364 Turbot Twp. over Over Muddy Run built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2024.

What condition is T-364 Turbot Twp. over Over Muddy 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 April 2023.

How much traffic does T-364 Turbot Twp. over Over Muddy Run carry?

About 150 vehicles per day (2023 count).

How long is T-364 Turbot Twp. over Over Muddy Run?

The structure is 54 ft (16.5 m) long with a longest span of 26 ft (7.9 m) and a deck 27 ft wide.

Who owns T-364 Turbot Twp. over Over Muddy Run?

It is owned by the Town or Township Highway Agency.