US Bridges

County Line Road over Pa Tpk (I-276)

Fair

Montgomery County, Pennsylvania · South of Southampton · Structure no. 000000000028204

Built
1954
71 years old
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Steel
Length
140 ft
1 main span
Daily traffic
24,196
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

County Line Road over Pa Tpk (I-276) is a steel girder and floorbeam system carrying County Line Road over Pa Tpk (I-276) in Montgomery County, Pennsylvania. It was built in 1954, so it is 71 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 24,196 vehicles a day, roughly 4% of them trucks, projected to reach 33,063 by 2030. The structure is 140 ft (42.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Line Road
CrossesPa Tpk (I-276)
LocationSouth of Southampton
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.16314, -75.05713
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span132 ft (40.2 m)
Deck width42 ft (12.9 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,196 (2024)
Projected traffic33,063 by 2030
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$417,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Line Road over Pa Tpk (I-276) built?

It was built in 1954, making it 71 years old in 2025.

What condition is County Line Road over Pa Tpk (I-276) 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 April 2024.

How much traffic does County Line Road over Pa Tpk (I-276) carry?

About 24,196 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is County Line Road over Pa Tpk (I-276)?

The structure is 140 ft (42.7 m) long with a longest span of 132 ft (40.2 m) and a deck 42 ft wide.

Who owns County Line Road over Pa Tpk (I-276)?

It is owned by the State Toll Authority.