US Bridges

Pa 100(LR 672) over Lyon Creek

Fair

Lehigh County, Pennsylvania · Lyon Valley · Structure no. 000000000023090

Built
1964
61 years old
Condition
Fair
inspected August 2022
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
12,205
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 100(LR 672) over Lyon Creek is a concrete culvert carrying Pa 100(LR 672) over 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 12,205 vehicles a day, roughly 10% of them trucks, projected to reach 21,593 by 2032. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesPa 100(LR 672)
CrossesLyon Creek
LocationLyon Valley
RouteState Highway 100
CountyLehigh County
StatePennsylvania
Coordinates40.62814, -75.67094
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 48 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 rating99 US tons
Inventory rating98.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,205 (2023)
Projected traffic21,593 by 2032
Trucks10%
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 Lyon Creek built?

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

What condition is Pa 100(LR 672) over 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 2022.

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

About 12,205 vehicles per day (2023 count), of which roughly 10% are trucks.

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

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m).

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

It is owned by the State Highway Agency.