US Bridges

SR1020 over Trib to Pine Creek

Fair

Armstrong County, Pennsylvania · Southwest of Dayton · Structure no. 000000000003122

Built
1943
82 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
165
2024 count
Owner
State
State Highway Agency

About this bridge

SR1020 over Trib to Pine Creek is a concrete slab carrying SR1020 over Trib to Pine Creek in Armstrong County, Pennsylvania. It was built in 1943, so it is 82 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 165 vehicles a day, roughly 7% of them trucks, projected to reach 129 by 2032. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR1020
CrossesTrib to Pine Creek
LocationSouthwest of Dayton
RouteState Highway 0
Coordinates40.86013, -79.30653
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2024)
Projected traffic129 by 2032
Trucks7%
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$97,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1020 over Trib to Pine Creek built?

It was built in 1943, making it 82 years old in 2025.

What condition is SR1020 over Trib to Pine 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 December 2023.

How much traffic does SR1020 over Trib to Pine Creek carry?

About 165 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR1020 over Trib to Pine Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns SR1020 over Trib to Pine Creek?

It is owned by the State Highway Agency.