Structure 4537 · Bedford County, PA

T-704 Old Mill RD over Three Springs Run

Carries T-704 Old Mill RD over Three Springs Run, 1 Mi.e.of New Enterprise.

Overall conditionPoor

Set by its lowest-rated component: Superstructure and Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT46 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 4/9 · sets the rating

46 ft end to end, longest span 21 ft. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built193096 years old
Length45.9 ft14 m
Daily traffic41counted 2023
Last inspectedMarch 2023every 24 months

Location

StatePennsylvania
CountyBedford
Location1 Mi.e.of New Enterprise
CarriesT-704 Old Mill RD
CrossesThree Springs Run
Coordinates40.17153, -78.39155

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length45.9 ft (14 m)
Max Span21.0 ft (6.4 m)
Deck Width21.7 ft (6.6 m)
Deck Area92.4 sq m
Main Spans2
Year Built1930

Traffic

Avg Daily Traffic41 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number000000000004537

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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