US Bridges

Silver Crest Road over E. Br. Monocacy Creek

Fair

Northampton County, Pennsylvania · SE of Bath · Structure no. 000000000028889

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
450
2010 count
Owner
County
County Highway Agency

About this bridge

Silver Crest Road over E. Br. Monocacy Creek is a prestressed concrete box beam or girders - multiple carrying Silver Crest Road over E. Br. Monocacy Creek in Northampton County, Pennsylvania. It was built in 1973, so it is 52 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 450 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2030. The structure is 39 ft (11.9 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSilver Crest Road
CrossesE. Br. Monocacy Creek
LocationSE of Bath
RouteCity Street 0
Coordinates40.71645, -75.36853
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width46 ft (14 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2010)
Projected traffic500 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Silver Crest Road over E. Br. Monocacy Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Silver Crest Road over E. Br. Monocacy 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 March 2024.

How much traffic does Silver Crest Road over E. Br. Monocacy Creek carry?

About 450 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Silver Crest Road over E. Br. Monocacy Creek?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 46 ft wide.

Who owns Silver Crest Road over E. Br. Monocacy Creek?

It is owned by the County Highway Agency.