US Bridges

Illicks Mill Road over Monocacy Creek

Fair

Northampton County, Pennsylvania · W. of SR 3011 (center St) · Structure no. 000000000028908

Built
1968
57 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
2 main spans
Daily traffic
1,000
2010 count
Owner
County
County Highway Agency

About this bridge

Illicks Mill Road over Monocacy Creek is a steel stringer/multi-beam or girder carrying Illicks Mill Road over Monocacy Creek in Northampton County, Pennsylvania. It was built in 1968, so it is 57 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,200 by 2030. The structure is 92 ft (28 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIllicks Mill Road
CrossesMonocacy Creek
LocationW. of SR 3011 (center St)
RouteCity Street 0
CountyNorthampton County
StatePennsylvania
Coordinates40.6413, -75.37923
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 inspectionMay 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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length92 ft (28 m)
Longest span42 ft (12.8 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2010)
Projected traffic1,200 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Illicks Mill Road over Monocacy Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Illicks Mill Road over 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 May 2024.

How much traffic does Illicks Mill Road over Monocacy Creek carry?

About 1,000 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Illicks Mill Road over Monocacy Creek?

The structure is 92 ft (28 m) long with a longest span of 42 ft (12.8 m) and a deck 52 ft wide.

Who owns Illicks Mill Road over Monocacy Creek?

It is owned by the County Highway Agency.