US Bridges

SR 6100 (LR486) over Spring Creek

Good

Lehigh County, Pennsylvania · At Spring Creek Road · Structure no. 000000000023085

Built
1957
68 years old, rebuilt 2011
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
13,182
2024 count
Owner
State
State Highway Agency

About this bridge

SR 6100 (LR486) over Spring Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 6100 (LR486) over Spring Creek in Lehigh County, Pennsylvania. It was built in 1957 and reconstructed in 2011, so it is 68 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,182 vehicles a day, roughly 4% of them trucks, projected to reach 7,386 by 2032. The structure is 83 ft (25.3 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 6100 (LR486)
CrossesSpring Creek
LocationAt Spring Creek Road
RouteState Highway 0
CountyLehigh County
StatePennsylvania
Coordinates40.53428, -75.60237
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span81 ft (24.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,182 (2024)
Projected traffic7,386 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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$213,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 6100 (LR486) over Spring Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2011.

What condition is SR 6100 (LR486) over Spring Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does SR 6100 (LR486) over Spring Creek carry?

About 13,182 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 6100 (LR486) over Spring Creek?

The structure is 83 ft (25.3 m) long with a longest span of 81 ft (24.7 m) and a deck 36 ft wide.

Who owns SR 6100 (LR486) over Spring Creek?

It is owned by the State Highway Agency.