US Bridges

SR 549 over Tributary to Mill Creek

Fair

Tioga County, Pennsylvania · 2 MI SW of Roseville · Structure no. 000000000032926

Built
1926
99 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
1,063
2024 count
Owner
State
State Highway Agency

About this bridge

SR 549 over Tributary to Mill Creek is a concrete tee beam carrying SR 549 over Tributary to Mill Creek in Tioga County, Pennsylvania. It was built in 1926, so it is 99 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 1,063 vehicles a day, roughly 10% of them trucks, projected to reach 1,949 by 2032. The structure is 29 ft (8.8 m) long and 27 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

CarriesSR 549
CrossesTributary to Mill Creek
Location2 MI SW of Roseville
RouteState Highway 549
Coordinates41.86902, -76.9823
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,063 (2024)
Projected traffic1,949 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$102,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 549 over Tributary to Mill Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is SR 549 over Tributary to 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 July 2023.

How much traffic does SR 549 over Tributary to Mill Creek carry?

About 1,063 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 549 over Tributary to Mill Creek?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns SR 549 over Tributary to Mill Creek?

It is owned by the State Highway Agency.