US Bridges

T-536 over Muddy Run

FairPosted for load

Clearfield County, Pennsylvania · 500 Ft West of SR 729 · Structure no. 000000000011918

Built
1918
107 years old
Condition
Fair
inspected September 2023
Type
Arch - Deck
Concrete
Length
33 ft
1 main span
Daily traffic
170
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-536 over Muddy Run is a concrete arch - deck carrying T-536 over Muddy Run in Clearfield County, Pennsylvania. It was built in 1918, so it is 107 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 170 vehicles a day, roughly 1% of them trucks, projected to reach 238 by 2041. The structure is 33 ft (10.1 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesT-536
CrossesMuddy Run
Location500 Ft West of SR 729
RouteCity Street 0
CountyClearfield County
StatePennsylvania
Coordinates40.76474, -78.44533
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
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating3 US tons
Inventory rating2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2021)
Projected traffic238 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-536 over Muddy Run built?

It was built in 1918, making it 107 years old in 2025.

What condition is T-536 over Muddy 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 September 2023.

How much traffic does T-536 over Muddy Run carry?

About 170 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is T-536 over Muddy Run?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns T-536 over Muddy Run?

It is owned by the Town or Township Highway Agency.