US Bridges

SR 4002 over Tunungwant Creek

Fair

McKean County, Pennsylvania · South Bradford · Structure no. 000000000025512

Built
1948
77 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
2 main spans
Daily traffic
2,305
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4002 over Tunungwant Creek is a steel stringer/multi-beam or girder carrying SR 4002 over Tunungwant Creek in McKean County, Pennsylvania. It was built in 1948, so it is 77 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 2,305 vehicles a day, roughly 12% of them trucks, projected to reach 3,264 by 2044. The structure is 128 ft (39 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 4002
CrossesTunungwant Creek
LocationSouth Bradford
RouteState Highway 0
CountyMcKean County
StatePennsylvania
Coordinates41.92947, -78.64755
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length128 ft (39 m)
Longest span62 ft (18.9 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,305 (2023)
Projected traffic3,264 by 2044
Trucks12%
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

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$549,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4002 over Tunungwant Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is SR 4002 over Tunungwant 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 June 2024.

How much traffic does SR 4002 over Tunungwant Creek carry?

About 2,305 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 4002 over Tunungwant Creek?

The structure is 128 ft (39 m) long with a longest span of 62 ft (18.9 m) and a deck 29 ft wide.

Who owns SR 4002 over Tunungwant Creek?

It is owned by the State Highway Agency.