US Bridges

Tioga Twp T-669 over Steam Mill Creek

Good

Tioga County, Pennsylvania · 2.5 Mi. NE of Tioga Boro · Structure no. 000000000069874

Built
2023
2 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
150
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Tioga Twp T-669 over Steam Mill Creek is a steel stringer/multi-beam or girder carrying Tioga Twp T-669 over Steam Mill Creek in Tioga County, Pennsylvania. It was built in 2023, so it is 2 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 232 by 2045. The structure is 35 ft (10.7 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesTioga Twp T-669
CrossesSteam Mill Creek
Location2.5 Mi. NE of Tioga Boro
RouteCity Street 0
Coordinates41.93012, -77.09604
Functional classRural Local

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span31 ft (9.4 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic232 by 2045
Trucks5%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Tioga Twp T-669 over Steam Mill Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Tioga Twp T-669 over Steam 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 Tioga Twp T-669 over Steam Mill Creek carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Tioga Twp T-669 over Steam Mill Creek?

The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 21 ft wide.

Who owns Tioga Twp T-669 over Steam Mill Creek?

It is owned by the Town or Township Highway Agency.