US Bridges

T-659 Beatty Mill over Buffalo Creek

Good

Armstrong County, Pennsylvania · 0.2 M W of Slate Lick RD · Structure no. 000000000044386

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
75
2007 count
Owner
County
County Highway Agency

About this bridge

T-659 Beatty Mill over Buffalo Creek is a prestressed concrete box beam or girders - multiple carrying T-659 Beatty Mill over Buffalo Creek in Armstrong County, Pennsylvania. It was built in 2008, so it is 17 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 75 vehicles a day, roughly 9% of them trucks, projected to reach 100 by 2027. The structure is 89 ft (27.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-659 Beatty Mill
CrossesBuffalo Creek
Location0.2 M W of Slate Lick RD
RouteCity Street 0
Coordinates40.80032, -79.64754
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
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 alignment6: Equal to present minimum criteria
Operating rating78 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length89 ft (27.1 m)
Longest span88 ft (26.8 m)
Deck width30 ft (9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2007)
Projected traffic100 by 2027
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-659 Beatty Mill over Buffalo Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is T-659 Beatty Mill over Buffalo Creek 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 June 2023.

How much traffic does T-659 Beatty Mill over Buffalo Creek carry?

About 75 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is T-659 Beatty Mill over Buffalo Creek?

The structure is 89 ft (27.1 m) long with a longest span of 88 ft (26.8 m) and a deck 30 ft wide.

Who owns T-659 Beatty Mill over Buffalo Creek?

It is owned by the County Highway Agency.