US Bridges

T-383 Snook Road over Belltown Run

Poor

Mifflin County, Pennsylvania · 350 Ft East of T707 · Structure no. 000000000026620

Built
1941
84 years old
Condition
Poor
inspected March 2023
Type
Tee Beam
Concrete
Length
56 ft
2 main spans
Daily traffic
161
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-383 Snook Road over Belltown Run is a concrete tee beam carrying T-383 Snook Road over Belltown Run in Mifflin County, Pennsylvania. It was built in 1941, so it is 84 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 161 vehicles a day, projected to reach 207 by 2043. The structure is 56 ft (17.1 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-383 Snook Road
CrossesBelltown Run
Location350 Ft East of T707
RouteCity Street 0
Coordinates40.68723, -77.41881
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 inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span27 ft (8.2 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2023)
Projected traffic207 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-383 Snook Road over Belltown Run built?

It was built in 1941, making it 84 years old in 2025.

What condition is T-383 Snook Road over Belltown 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 March 2023.

How much traffic does T-383 Snook Road over Belltown Run carry?

About 161 vehicles per day (2023 count).

How long is T-383 Snook Road over Belltown Run?

The structure is 56 ft (17.1 m) long with a longest span of 27 ft (8.2 m) and a deck 23 ft wide.

Who owns T-383 Snook Road over Belltown Run?

It is owned by the Town or Township Highway Agency.