US Bridges

Mifflin Twp T683 over Second Fork

Good

Lycoming County, Pennsylvania · 4.1 M. N. of Salladasburg · Structure no. 000000000025102

Built
1990
35 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mifflin Twp T683 over Second Fork is a prestressed concrete box beam or girders - multiple carrying Mifflin Twp T683 over Second Fork in Lycoming County, Pennsylvania. It was built in 1990, so it is 35 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 50 vehicles a day, projected to reach 77 by 2045. The structure is 62 ft (18.9 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMifflin Twp T683
CrossesSecond Fork
Location4.1 M. N. of Salladasburg
RouteCity Street 0
CountyLycoming County
StatePennsylvania
Coordinates41.33606, -77.2435
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating50 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic77 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mifflin Twp T683 over Second Fork built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mifflin Twp T683 over Second Fork 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 September 2023.

How much traffic does Mifflin Twp T683 over Second Fork carry?

About 50 vehicles per day (2023 count).

How long is Mifflin Twp T683 over Second Fork?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns Mifflin Twp T683 over Second Fork?

It is owned by the Town or Township Highway Agency.