US Bridges

T-677 Fir Road over Hays Run

Fair

Butler County, Pennsylvania · 300 Ft S of SR 0101 · Structure no. 000000000008226

Built
1920
105 years old, rebuilt 2008
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
100
2017 count
Owner
County
County Highway Agency

About this bridge

T-677 Fir Road over Hays Run is a steel stringer/multi-beam or girder carrying T-677 Fir Road over Hays Run in Butler County, Pennsylvania. It was built in 1920 and reconstructed in 2008, so it is 105 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 100 vehicles a day, roughly 9% of them trucks, projected to reach 120 by 2037. The structure is 30 ft (9.1 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesT-677 Fir Road
CrossesHays Run
Location300 Ft S of SR 0101
RouteCity Street 0
CountyButler County
StatePennsylvania
Coordinates40.99469, -79.74603
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width14 ft (4.4 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2017)
Projected traffic120 by 2037
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$302,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-677 Fir Road over Hays Run built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2008.

What condition is T-677 Fir Road over Hays 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 T-677 Fir Road over Hays Run carry?

About 100 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is T-677 Fir Road over Hays Run?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 14 ft wide.

Who owns T-677 Fir Road over Hays Run?

It is owned by the County Highway Agency.