US Bridges

Keim Street over Sprogels Run

Good

Montgomery County, Pennsylvania · L. Pottsgr. 3027B9 · Structure no. 000000000027855

Built
1966
59 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
4,629
2023 count
Owner
State
State Highway Agency

About this bridge

Keim Street over Sprogels Run is a concrete culvert carrying Keim Street over Sprogels Run in Montgomery County, Pennsylvania. It was built in 1966, so it is 59 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,629 vehicles a day, roughly 3% of them trucks, projected to reach 6,923 by 2032. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKeim Street
CrossesSprogels Run
LocationL. Pottsgr. 3027B9
RouteState Highway 0
Coordinates40.25694, -75.61528
Functional classUrban Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,629 (2023)
Projected traffic6,923 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Keim Street over Sprogels Run built?

It was built in 1966, making it 59 years old in 2025.

What condition is Keim Street over Sprogels 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 August 2023.

How much traffic does Keim Street over Sprogels Run carry?

About 4,629 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Keim Street over Sprogels Run?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m).

Who owns Keim Street over Sprogels Run?

It is owned by the State Highway Agency.