US Bridges

Adams T473 over Moyers Mill Run

Fair

Snyder County, Pennsylvania · 1 Mi.E of Troxelville · Structure no. 000000000031281

Built
1930
95 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
50
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Adams T473 over Moyers Mill Run is a steel stringer/multi-beam or girder carrying Adams T473 over Moyers Mill Run in Snyder County, Pennsylvania. It was built in 1930, so it is 95 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 77 by 2029. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesAdams T473
CrossesMoyers Mill Run
Location1 Mi.E of Troxelville
RouteCity Street 0
Coordinates40.80758, -77.17712
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2009)
Projected traffic77 by 2029
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Adams T473 over Moyers Mill Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is Adams T473 over Moyers Mill 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 Adams T473 over Moyers Mill Run carry?

About 50 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Adams T473 over Moyers Mill Run?

The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Adams T473 over Moyers Mill Run?

It is owned by the Town or Township Highway Agency.