US Bridges

SR 4004 (lr 48082) over Trib.To Monocacy Creek

Fair

Northampton County, Pennsylvania · 1 Mi.W.Of Nazareth · Structure no. 000000000028777

Built
1924
101 years old
Condition
Fair
inspected October 2023
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
2,206
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4004 (lr 48082) over Trib.To Monocacy Creek is a concrete frame carrying SR 4004 (lr 48082) over Trib.To Monocacy Creek in Northampton County, Pennsylvania. It was built in 1924, so it is 101 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 5 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 2,206 vehicles a day, roughly 4% of them trucks, projected to reach 2,860 by 2032. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 4004 (lr 48082)
CrossesTrib.To Monocacy Creek
Location1 Mi.W.Of Nazareth
RouteState Highway 0
CountyNorthampton County
StatePennsylvania
Coordinates40.74156, -75.34623
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating54 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,206 (2023)
Projected traffic2,860 by 2032
Trucks4%
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

OwnerState Highway Agency
Maintained byState 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$244,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4004 (lr 48082) over Trib.To Monocacy Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is SR 4004 (lr 48082) over Trib.To 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 October 2023.

How much traffic does SR 4004 (lr 48082) over Trib.To Monocacy Creek carry?

About 2,206 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 4004 (lr 48082) over Trib.To Monocacy Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 20 ft wide.

Who owns SR 4004 (lr 48082) over Trib.To Monocacy Creek?

It is owned by the State Highway Agency.