US Bridges

T-363 over Stream Trib to Mill Cr.

PoorClosed to traffic

Lebanon County, Pennsylvania · SW Newmanstwn/Tr Mill CR · Structure no. 000000000022857

Built
1930
95 years old, rebuilt 1967
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
50
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-363 over Stream Trib to Mill Cr. is a steel stringer/multi-beam or girder carrying T-363 over Stream Trib to Mill Cr. in Lebanon County, Pennsylvania. It was built in 1930 and reconstructed in 1967, 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 2 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: closed to all traffic.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2033. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-363
CrossesStream Trib to Mill Cr.
LocationSW Newmanstwn/Tr Mill CR
RouteCity Street 0
Coordinates40.34351, -76.22031
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
Deck2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8 US tons
Inventory rating5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.5 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2013)
Projected traffic70 by 2033
Trucks10%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-363 over Stream Trib to Mill Cr. built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1967.

What condition is T-363 over Stream Trib to Mill Cr. 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-363 over Stream Trib to Mill Cr. carry?

About 50 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is T-363 over Stream Trib to Mill Cr.?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns T-363 over Stream Trib to Mill Cr.?

It is owned by the Town or Township Highway Agency.