US Bridges

Lafayette Street over Saw Mill Run

Good

Montgomery County, Pennsylvania · 1200 SE US-202 3367-F3 · Structure no. 000000000055977

Built
2018
7 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
7,000
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lafayette Street over Saw Mill Run is a concrete culvert carrying Lafayette Street over Saw Mill Run in Montgomery County, Pennsylvania. It was built in 2018, so it is 7 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 7,000 vehicles a day, roughly 1% of them trucks, projected to reach 9,000 by 2034. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLafayette Street
CrossesSaw Mill Run
Location1200 SE US-202 3367-F3
RouteCity Street 0
Coordinates40.1119, -75.34011
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length30 ft (9.1 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 traffic7,000 (2014)
Projected traffic9,000 by 2034
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Lafayette Street over Saw Mill Run built?

It was built in 2018, making it 7 years old in 2025.

What condition is Lafayette Street over Saw Mill 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 October 2022.

How much traffic does Lafayette Street over Saw Mill Run carry?

About 7,000 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Lafayette Street over Saw Mill Run?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m).

Who owns Lafayette Street over Saw Mill Run?

It is owned by the Town or Township Highway Agency.