US Bridges

T-966 Wissler RD over Middle Creek

Poor

Lancaster County, Pennsylvania · 1 Mile SW of SR 322 · Structure no. 000000000021863

Built
1940
85 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
105
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-966 Wissler RD over Middle Creek is a steel stringer/multi-beam or girder carrying T-966 Wissler RD over Middle Creek in Lancaster County, Pennsylvania. It was built in 1940, so it is 85 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 105 vehicles a day, roughly 5% of them trucks, projected to reach 140 by 2031. The structure is 34 ft (10.4 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-966 Wissler RD
CrossesMiddle Creek
Location1 Mile SW of SR 322
RouteCity Street 0
Coordinates40.20002, -76.24445
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2011)
Projected traffic140 by 2031
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$37,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-966 Wissler RD over Middle Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is T-966 Wissler RD over Middle Creek 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 June 2023.

How much traffic does T-966 Wissler RD over Middle Creek carry?

About 105 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is T-966 Wissler RD over Middle Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 15 ft wide.

Who owns T-966 Wissler RD over Middle Creek?

It is owned by the Town or Township Highway Agency.