US Bridges

Kings Mill Road over Tyler Run

Fair

York County, Pennsylvania · Kings Mill-Tyler R; York · Structure no. 000000000038269

Built
1932
93 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
2,976
2024 count
Owner
County
County Highway Agency

About this bridge

Kings Mill Road over Tyler Run is a steel stringer/multi-beam or girder carrying Kings Mill Road over Tyler Run in York County, Pennsylvania. It was built in 1932, so it is 93 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 2,976 vehicles a day, roughly 10% of them trucks, projected to reach 4,200 by 2030. The structure is 42 ft (12.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKings Mill Road
CrossesTyler Run
LocationKings Mill-Tyler R; York
RouteCity Street 0K00G
Coordinates39.9519, -76.73413
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,976 (2024)
Projected traffic4,200 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$356,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kings Mill Road over Tyler Run built?

It was built in 1932, making it 93 years old in 2025.

What condition is Kings Mill Road over Tyler Run 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 July 2023.

How much traffic does Kings Mill Road over Tyler Run carry?

About 2,976 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Kings Mill Road over Tyler Run?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 42 ft wide.

Who owns Kings Mill Road over Tyler Run?

It is owned by the County Highway Agency.