US Bridges

Keith Valley Road over Tributary Park Creek

Fair

Montgomery County, Pennsylvania · .4 MI NE PA-463 3146-C7 · Structure no. 000000000041077

Built
1950
75 years old
Condition
Fair
inspected November 2022
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
6,550
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Keith Valley Road over Tributary Park Creek is a concrete slab carrying Keith Valley Road over Tributary Park Creek in Montgomery County, Pennsylvania. It was built in 1950, so it is 75 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 6,550 vehicles a day, roughly 3% of them trucks, projected to reach 7,800 by 2033. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKeith Valley Road
CrossesTributary Park Creek
Location.4 MI NE PA-463 3146-C7
RouteCity Street 0
CountyMontgomery County
StatePennsylvania
Coordinates40.2096, -75.1689
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,550 (2013)
Projected traffic7,800 by 2033
Trucks3%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Keith Valley Road over Tributary Park Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Keith Valley Road over Tributary Park 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 November 2022.

How much traffic does Keith Valley Road over Tributary Park Creek carry?

About 6,550 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is Keith Valley Road over Tributary Park Creek?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 23 ft wide.

Who owns Keith Valley Road over Tributary Park Creek?

It is owned by the Town or Township Highway Agency.