US Bridges

Pa 921; SR 0921 over Little Conewago Creek

PoorPosted for load

York County, Pennsylvania · 0.2 MI.W.I-83 · Structure no. 000000000037643

Built
1948
77 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
147 ft
2 main spans
Daily traffic
7,454
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 921; SR 0921 over Little Conewago Creek is a steel stringer/multi-beam or girder carrying Pa 921; SR 0921 over Little Conewago Creek in York County, Pennsylvania. It was built in 1948, so it is 77 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 3 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: posted for load restriction.

It carries about 7,454 vehicles a day, roughly 12% of them trucks, projected to reach 8,261 by 2032. The structure is 147 ft (44.8 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPa 921; SR 0921
CrossesLittle Conewago Creek
Location0.2 MI.W.I-83
RouteState Highway 921
Coordinates40.05272, -76.75537
Functional classUrban Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating17 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans2
Design loadH 20
Structure length147 ft (44.8 m)
Longest span70 ft (21.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,454 (2023)
Projected traffic8,261 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 921; SR 0921 over Little Conewago Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Pa 921; SR 0921 over Little Conewago 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 Pa 921; SR 0921 over Little Conewago Creek carry?

About 7,454 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Pa 921; SR 0921 over Little Conewago Creek?

The structure is 147 ft (44.8 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns Pa 921; SR 0921 over Little Conewago Creek?

It is owned by the State Highway Agency.