US Bridges

Pa 921; SR 0921 over Trib Little Conewago Ck

Fair

York County, Pennsylvania · PA-921 Und. I-83 Overpass · Structure no. 000000000037644

Built
1956
69 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
41 ft
1 main span
Daily traffic
7,454
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 921; SR 0921 over Trib Little Conewago Ck is a concrete culvert carrying Pa 921; SR 0921 over Trib Little Conewago Ck in York County, Pennsylvania. It was built in 1956, so it is 69 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,454 vehicles a day, roughly 12% of them trucks, projected to reach 8,261 by 2032. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesPa 921; SR 0921
CrossesTrib Little Conewago Ck
LocationPA-921 Und. I-83 Overpass
RouteState Highway 921
Coordinates40.05282, -76.75244
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1956, making it 69 years old in 2025.

What condition is Pa 921; SR 0921 over Trib Little Conewago Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Pa 921; SR 0921 over Trib Little Conewago Ck carry?

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

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

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m).

Who owns Pa 921; SR 0921 over Trib Little Conewago Ck?

It is owned by the State Highway Agency.