US Bridges

US 15 over Over Mill Creek

Good

Tioga County, Pennsylvania · Mill Crk/Tioga Dam Bridge · Structure no. 000000000032803

Built
1974
51 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,520 ft
8 main spans
Daily traffic
5,595
2024 count
Owner
State
State Highway Agency

About this bridge

US 15 over Over Mill Creek is a steel continuous stringer/multi-beam or girder carrying US 15 over Over Mill Creek in Tioga County, Pennsylvania. It was built in 1974, so it is 51 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,595 vehicles a day, roughly 22% of them trucks, projected to reach 5,775 by 2032. The structure is 1,520 ft (463.3 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 15
CrossesOver Mill Creek
LocationMill Crk/Tioga Dam Bridge
RouteU.S. Route 15
Coordinates41.88196, -77.12635
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length1,520 ft (463.3 m)
Longest span189 ft (57.6 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,595 (2024)
Projected traffic5,775 by 2032
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 15 over Over Mill Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is US 15 over Over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does US 15 over Over Mill Creek carry?

About 5,595 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is US 15 over Over Mill Creek?

The structure is 1,520 ft (463.3 m) long with a longest span of 189 ft (57.6 m) and a deck 48 ft wide.

Who owns US 15 over Over Mill Creek?

It is owned by the State Highway Agency.