US Bridges

SR 770-PA 770 over E Branch Tunungwant CR

Fair

McKean County, Pennsylvania · Degolia · Structure no. 000000000025463

Built
1986
39 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
2,216
2024 count
Owner
State
State Highway Agency

About this bridge

SR 770-PA 770 over E Branch Tunungwant CR is a prestressed concrete box beam or girders - multiple carrying SR 770-PA 770 over E Branch Tunungwant CR in McKean County, Pennsylvania. It was built in 1986, so it is 39 years old, younger 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 6 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 2,216 vehicles a day, roughly 8% of them trucks, projected to reach 3,597 by 2044. The structure is 66 ft (20.1 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 770-PA 770
CrossesE Branch Tunungwant CR
LocationDegolia
RouteState Highway 770
CountyMcKean County
StatePennsylvania
Coordinates41.91442, -78.65029
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating53 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length66 ft (20.1 m)
Longest span65 ft (19.8 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,216 (2024)
Projected traffic3,597 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 770-PA 770 over E Branch Tunungwant CR built?

It was built in 1986, making it 39 years old in 2025.

What condition is SR 770-PA 770 over E Branch Tunungwant CR 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 770-PA 770 over E Branch Tunungwant CR carry?

About 2,216 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 770-PA 770 over E Branch Tunungwant CR?

The structure is 66 ft (20.1 m) long with a longest span of 65 ft (19.8 m) and a deck 46 ft wide.

Who owns SR 770-PA 770 over E Branch Tunungwant CR?

It is owned by the State Highway Agency.