US Bridges

Township Line Road over Mingo Creek

Fair

Montgomery County, Pennsylvania · Limerick Sq 3140G9 · Structure no. 000000000027802

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
17,180
2024 count
Owner
State
State Highway Agency

About this bridge

Township Line Road over Mingo Creek is a concrete culvert carrying Township Line Road over Mingo Creek in Montgomery County, Pennsylvania. It was built in 1976, so it is 49 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 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 17,180 vehicles a day, roughly 5% of them trucks, projected to reach 20,380 by 2032. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTownship Line Road
CrossesMingo Creek
LocationLimerick Sq 3140G9
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.19656, -75.52345
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,180 (2024)
Projected traffic20,380 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Line Road over Mingo Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Township Line Road over Mingo 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 September 2023.

How much traffic does Township Line Road over Mingo Creek carry?

About 17,180 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Township Line Road over Mingo Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).

Who owns Township Line Road over Mingo Creek?

It is owned by the State Highway Agency.