US Bridges

I-83 Nb/Sb over Mill Creek

Fair

York County, Pennsylvania · 0.3 Mi. S. of PA-124 · Structure no. 000000000067522

Built
2020
5 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
57,515
2024 count
Owner
State
State Highway Agency

About this bridge

I-83 Nb/Sb over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying I-83 Nb/Sb over Mill Creek in York County, Pennsylvania. It was built in 2020, so it is 5 years old, younger 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 6 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 57,515 vehicles a day, roughly 12% of them trucks, projected to reach 88,060 by 2035. The structure is 54 ft (16.5 m) long and 115 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI-83 Nb/Sb
CrossesMill Creek
Location0.3 Mi. S. of PA-124
RouteInterstate 83
Coordinates39.95412, -76.68461
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span52 ft (15.8 m)
Deck width115 ft (35.2 m)
Roadway width109 ft (33.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,515 (2024)
Projected traffic88,060 by 2035
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-83 Nb/Sb over Mill Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is I-83 Nb/Sb over Mill Creek 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 October 2023.

How much traffic does I-83 Nb/Sb over Mill Creek carry?

About 57,515 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is I-83 Nb/Sb over Mill Creek?

The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.8 m) and a deck 115 ft wide.

Who owns I-83 Nb/Sb over Mill Creek?

It is owned by the State Highway Agency.