US Bridges

SR 4020 over Bells Gap Run

Good

Blair County, Pennsylvania · .5 Mi.W.Of Bellwood · Structure no. 000000000005864

Built
1987
38 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
432
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4020 over Bells Gap Run is a steel stringer/multi-beam or girder carrying SR 4020 over Bells Gap Run in Blair County, Pennsylvania. It was built in 1987, so it is 38 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 432 vehicles a day, roughly 4% of them trucks, projected to reach 712 by 2032. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 4020
CrossesBells Gap Run
Location.5 Mi.W.Of Bellwood
RouteState Highway 0
CountyBlair County
StatePennsylvania
Coordinates40.60266, -78.34524
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 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 rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length84 ft (25.6 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic432 (2024)
Projected traffic712 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4020 over Bells Gap Run built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR 4020 over Bells Gap Run 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 April 2023.

How much traffic does SR 4020 over Bells Gap Run carry?

About 432 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 4020 over Bells Gap Run?

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns SR 4020 over Bells Gap Run?

It is owned by the State Highway Agency.