US Bridges

Old Mill Rd; T-546 over Pine Run

Fair

Adams County, Pennsylvania · 1.5 NE Abbottstn/Pine Run · Structure no. 000000000000429

Built
1993
32 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
75
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Mill Rd; T-546 over Pine Run is a concrete culvert carrying Old Mill Rd; T-546 over Pine Run in Adams County, Pennsylvania. It was built in 1993, so it is 32 years old, younger 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 75 vehicles a day, roughly 5% of them trucks, projected to reach 105 by 2030. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOld Mill Rd; T-546
CrossesPine Run
Location1.5 NE Abbottstn/Pine Run
RouteCity Street 0
Coordinates39.90187, -77.01834
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2009)
Projected traffic105 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Mill Rd; T-546 over Pine Run built?

It was built in 1993, making it 32 years old in 2025.

What condition is Old Mill Rd; T-546 over Pine Run 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 August 2023.

How much traffic does Old Mill Rd; T-546 over Pine Run carry?

About 75 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Old Mill Rd; T-546 over Pine Run?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns Old Mill Rd; T-546 over Pine Run?

It is owned by the Town or Township Highway Agency.