US Bridges

Traffic Route 13 over Mill Creek RD(T323)

Fair

Bucks County, Pennsylvania · North Tullytown 43H01 · Structure no. 000000000006770

Built
1955
70 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
3 main spans
Daily traffic
20,915
2024 count
Owner
State
State Highway Agency

About this bridge

Traffic Route 13 over Mill Creek RD(T323) is a steel stringer/multi-beam or girder carrying Traffic Route 13 over Mill Creek RD(T323) in Bucks County, Pennsylvania. It was built in 1955, so it is 70 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 20,915 vehicles a day, roughly 12% of them trucks, projected to reach 26,157 by 2032. The structure is 102 ft (31.1 m) long and 72 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTraffic Route 13
CrossesMill Creek RD(T323)
LocationNorth Tullytown 43H01
RouteU.S. Route 13
CountyBucks County
StatePennsylvania
Coordinates40.15775, -74.8121
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span36 ft (11 m)
Deck width72 ft (21.8 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,915 (2024)
Projected traffic26,157 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$540,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Traffic Route 13 over Mill Creek RD(T323) built?

It was built in 1955, making it 70 years old in 2025.

What condition is Traffic Route 13 over Mill Creek RD(T323) 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 May 2024.

How much traffic does Traffic Route 13 over Mill Creek RD(T323) carry?

About 20,915 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Traffic Route 13 over Mill Creek RD(T323)?

The structure is 102 ft (31.1 m) long with a longest span of 36 ft (11 m) and a deck 72 ft wide.

Who owns Traffic Route 13 over Mill Creek RD(T323)?

It is owned by the State Highway Agency.