US Bridges

Gravel Hill Road over Mill Creek

Fair

Bucks County, Pennsylvania · Upper Southhampto 3260-H3 · Structure no. 000000000007511

Built
1860
165 years old, rebuilt 1996
Condition
Fair
inspected March 2024
Type
Arch - Deck
Masonry
Length
34 ft
2 main spans
Daily traffic
900
1998 count
Owner
County
County Highway Agency

About this bridge

Gravel Hill Road over Mill Creek is a masonry arch - deck carrying Gravel Hill Road over Mill Creek in Bucks County, Pennsylvania. It was built in 1860 and reconstructed in 1996, so it is 165 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 900 vehicles a day, projected to reach 1,050 by 2011. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGravel Hill Road
CrossesMill Creek
LocationUpper Southhampto 3260-H3
RouteCity Street 0
CountyBucks County
StatePennsylvania
Coordinates40.17486, -75.01436
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span14 ft (4.3 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (1998)
Projected traffic1,050 by 2011
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Gravel Hill Road over Mill Creek built?

It was built in 1860, making it 165 years old in 2025. It was reconstructed in 1996.

What condition is Gravel Hill Road over Mill 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 March 2024.

How much traffic does Gravel Hill Road over Mill Creek carry?

About 900 vehicles per day (1998 count).

How long is Gravel Hill Road over Mill Creek?

The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.3 m) and a deck 20 ft wide.

Who owns Gravel Hill Road over Mill Creek?

It is owned by the County Highway Agency.