US Bridges

SR 4020 over Dunning Creek

Fair

Bedford County, Pennsylvania · 0.06 Mile West from Pa 96 · Structure no. 000000000004371

Built
1957
68 years old, rebuilt 2010
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
17
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4020 over Dunning Creek is a prestressed concrete box beam or girders - multiple carrying SR 4020 over Dunning Creek in Bedford County, Pennsylvania. It was built in 1957 and reconstructed in 2010, so it is 68 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 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 17 vehicles a day, roughly 6% of them trucks, projected to reach 46 by 2040. The structure is 67 ft (20.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 4020
CrossesDunning Creek
Location0.06 Mile West from Pa 96
RouteState Highway 0
CountyBedford County
StatePennsylvania
Coordinates40.10952, -78.64341
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating42 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span66 ft (20.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2023)
Projected traffic46 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$947,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4020 over Dunning Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2010.

What condition is SR 4020 over Dunning 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 October 2023.

How much traffic does SR 4020 over Dunning Creek carry?

About 17 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 4020 over Dunning Creek?

The structure is 67 ft (20.4 m) long with a longest span of 66 ft (20.1 m) and a deck 30 ft wide.

Who owns SR 4020 over Dunning Creek?

It is owned by the State Highway Agency.