US Bridges

T-321 (cty Br 12) over Sweitzers Run

Good

Union County, Pennsylvania · 0.1 MI SE of Dice · Structure no. 000000000057673

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

T-321 (cty Br 12) over Sweitzers Run is a concrete culvert carrying T-321 (cty Br 12) over Sweitzers Run in Union County, Pennsylvania. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 1% of them trucks, projected to reach 116 by 2045. The structure is 25 ft (7.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesT-321 (cty Br 12)
CrossesSweitzers Run
Location0.1 MI SE of Dice
RouteCity Street 0
CountyUnion County
StatePennsylvania
Coordinates40.88547, -77.03542
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic116 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-321 (cty Br 12) over Sweitzers Run built?

It was built in 2021, making it 4 years old in 2025.

What condition is T-321 (cty Br 12) over Sweitzers 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 March 2023.

How much traffic does T-321 (cty Br 12) over Sweitzers Run carry?

About 75 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T-321 (cty Br 12) over Sweitzers Run?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns T-321 (cty Br 12) over Sweitzers Run?

It is owned by the County Highway Agency.