US Bridges

Seitz Road over Landis Run

Good

Montgomery County, Pennsylvania · N of Adrian RD 3141-F3 · Structure no. 000000000057194

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Arch - Deck
Concrete
Length
20 ft
1 main span
Daily traffic
1,200
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Seitz Road over Landis Run is a concrete arch - deck carrying Seitz Road over Landis Run in Montgomery County, Pennsylvania. It was built in 2009, so it is 16 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,200 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2039. The structure is 20 ft (6.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSeitz Road
CrossesLandis Run
LocationN of Adrian RD 3141-F3
RouteCity Street 0
Coordinates40.23269, -75.464
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating66 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2019)
Projected traffic1,500 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Seitz Road over Landis Run built?

It was built in 2009, making it 16 years old in 2025.

What condition is Seitz Road over Landis Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Seitz Road over Landis Run carry?

About 1,200 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Seitz Road over Landis Run?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Seitz Road over Landis Run?

It is owned by the Town or Township Highway Agency.