US Bridges

Pa 100(LR 672) over Trib. Lyon Creek

Fair

Lehigh County, Pennsylvania · Near Inter. With Lr 39072 · Structure no. 000000000023091

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
14,216
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 100(LR 672) over Trib. Lyon Creek is a concrete culvert carrying Pa 100(LR 672) over Trib. Lyon Creek in Lehigh County, Pennsylvania. It was built in 1964, so it is 61 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 14,216 vehicles a day, roughly 7% of them trucks, projected to reach 19,260 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesPa 100(LR 672)
CrossesTrib. Lyon Creek
LocationNear Inter. With Lr 39072
RouteState Highway 100
CountyLehigh County
StatePennsylvania
Coordinates40.63488, -75.67759
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,216 (2024)
Projected traffic19,260 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 100(LR 672) over Trib. Lyon Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Pa 100(LR 672) over Trib. Lyon 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 August 2024.

How much traffic does Pa 100(LR 672) over Trib. Lyon Creek carry?

About 14,216 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Pa 100(LR 672) over Trib. Lyon Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m).

Who owns Pa 100(LR 672) over Trib. Lyon Creek?

It is owned by the State Highway Agency.