US Bridges

T-110 (sb) over Pa Tpk (I-276)

Fair

Montgomery County, Pennsylvania · Near King of Prussia · Structure no. 000000000028145

Built
1954
71 years old, rebuilt 1999
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
188 ft
1 main span
Daily traffic
200
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-110 (sb) over Pa Tpk (I-276) is a steel girder and floorbeam system carrying T-110 (sb) over Pa Tpk (I-276) in Montgomery County, Pennsylvania. It was built in 1954 and reconstructed in 1999, 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 6 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 200 vehicles a day, roughly 9% of them trucks, projected to reach 315 by 2030. The structure is 188 ft (57.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT-110 (sb)
CrossesPa Tpk (I-276)
LocationNear King of Prussia
RouteCity Street 0
Coordinates40.09196, -75.38544
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span182 ft (55.5 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1992)
Projected traffic315 by 2030
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$811,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-110 (sb) over Pa Tpk (I-276) built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1999.

What condition is T-110 (sb) 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 August 2024.

How much traffic does T-110 (sb) over Pa Tpk (I-276) carry?

About 200 vehicles per day (1992 count), of which roughly 9% are trucks.

How long is T-110 (sb) over Pa Tpk (I-276)?

The structure is 188 ft (57.3 m) long with a longest span of 182 ft (55.5 m) and a deck 32 ft wide.

Who owns T-110 (sb) over Pa Tpk (I-276)?

It is owned by the State Toll Authority.