US Bridges

Lapp Rd. over Jordan Creek

FairPosted for load

Lehigh County, Pennsylvania · Manasses-Guth Bridge · Structure no. 000000000023436

Built
1858
167 years old
Condition
Fair
inspected May 2023
Type
Truss - Thru
Wood or Timber
Length
116 ft
1 main span
Daily traffic
100
1930 count
Owner
County
County Highway Agency

About this bridge

Lapp Rd. over Jordan Creek is a wood or timber truss - thru carrying Lapp Rd. over Jordan Creek in Lehigh County, Pennsylvania. It was built in 1858, so it is 167 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 2,000 by 2030. The structure is 116 ft (35.4 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLapp Rd.
CrossesJordan Creek
LocationManasses-Guth Bridge
RouteCity Street 0T602
CountyLehigh County
StatePennsylvania
Coordinates40.62958, -75.55336
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.
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating8 US tons
Inventory rating5 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 10
Structure length116 ft (35.4 m)
Longest span110 ft (33.5 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck10 ft (3.1 m)

Traffic and service

Average daily traffic100 (1930)
Projected traffic2,000 by 2030
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$211,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lapp Rd. over Jordan Creek built?

It was built in 1858, making it 167 years old in 2025.

What condition is Lapp Rd. over Jordan 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 2023.

How much traffic does Lapp Rd. over Jordan Creek carry?

About 100 vehicles per day (1930 count), of which roughly 1% are trucks.

How long is Lapp Rd. over Jordan Creek?

The structure is 116 ft (35.4 m) long with a longest span of 110 ft (33.5 m) and a deck 18 ft wide.

Who owns Lapp Rd. over Jordan Creek?

It is owned by the County Highway Agency.