US Bridges

Tanyard Road over Ironworks Creek

Fair

Bucks County, Pennsylvania · Northampton 3148-H7 · Structure no. 000000000069558

Built
1980
45 years old
Condition
Fair
inspected November 2022
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
300
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Tanyard Road over Ironworks Creek is a concrete culvert carrying Tanyard Road over Ironworks Creek in Bucks County, Pennsylvania. It was built in 1980, so it is 45 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 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 366 by 2042. The structure is 36 ft (11 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTanyard Road
CrossesIronworks Creek
LocationNorthampton 3148-H7
RouteCity Street 0
CountyBucks County
StatePennsylvania
Coordinates40.20694, -75.01539
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width50 ft (15.2 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic366 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tanyard Road over Ironworks Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Tanyard Road over Ironworks Creek 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 November 2022.

How much traffic does Tanyard Road over Ironworks Creek carry?

About 300 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Tanyard Road over Ironworks Creek?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m) and a deck 50 ft wide.

Who owns Tanyard Road over Ironworks Creek?

It is owned by the Town or Township Highway Agency.