US Bridges

T-683 Gibbons RD over Mill Creek

Poor

Lancaster County, Pennsylvania · 1000 Ft South of T-545 · Structure no. 000000000022101

Built
1920
105 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
2 main spans
Daily traffic
515
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-683 Gibbons RD over Mill Creek is a steel stringer/multi-beam or girder carrying T-683 Gibbons RD over Mill Creek in Lancaster County, Pennsylvania. It was built in 1920, so it is 105 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 515 vehicles a day, roughly 1% of them trucks, projected to reach 690 by 2031. The structure is 67 ft (20.4 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-683 Gibbons RD
CrossesMill Creek
Location1000 Ft South of T-545
RouteCity Street 0
Coordinates40.05811, -76.18364
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating81 US tons
Inventory rating48 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic515 (2011)
Projected traffic690 by 2031
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$126,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-683 Gibbons RD over Mill Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is T-683 Gibbons RD over Mill 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 November 2023.

How much traffic does T-683 Gibbons RD over Mill Creek carry?

About 515 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is T-683 Gibbons RD over Mill Creek?

The structure is 67 ft (20.4 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns T-683 Gibbons RD over Mill Creek?

It is owned by the Town or Township Highway Agency.