US Bridges

SR 3021; Twp RD over I-81;RP Af C G;paxton Ck

Good

Dauphin County, Pennsylvania · I-81 & 22-322 Interchange · Structure no. 000000000014557

Built
1974
51 years old, rebuilt 2013
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
636 ft
5 main spans
Daily traffic
6,391
2024 count
Owner
State
State Highway Agency

About this bridge

SR 3021; Twp RD over I-81;RP Af C G;paxton Ck is a steel stringer/multi-beam or girder carrying SR 3021; Twp RD over I-81;RP Af C G;paxton Ck in Dauphin County, Pennsylvania. It was built in 1974 and reconstructed in 2013, so it is 51 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 6,391 vehicles a day, roughly 2% of them trucks, projected to reach 7,917 by 2032. The structure is 636 ft (193.9 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 3021; Twp RD
CrossesI-81;RP Af C G;paxton Ck
LocationI-81 & 22-322 Interchange
RouteState Highway 0
CountyDauphin County
StatePennsylvania
Coordinates40.30182, -76.87709
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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHS 20
Structure length636 ft (193.9 m)
Longest span106 ft (32.3 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,391 (2024)
Projected traffic7,917 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed5 mi (8 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$759,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 3021; Twp RD over I-81;RP Af C G;paxton Ck built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2013.

What condition is SR 3021; Twp RD over I-81;RP Af C G;paxton Ck 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 December 2022.

How much traffic does SR 3021; Twp RD over I-81;RP Af C G;paxton Ck carry?

About 6,391 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 3021; Twp RD over I-81;RP Af C G;paxton Ck?

The structure is 636 ft (193.9 m) long with a longest span of 106 ft (32.3 m) and a deck 48 ft wide.

Who owns SR 3021; Twp RD over I-81;RP Af C G;paxton Ck?

It is owned by the State Highway Agency.