US Bridges

Zinns Mill Road over Snitz Creek

Fair

Lebanon County, Pennsylvania · 1 N Quentin/Snitz Creek · Structure no. 000000000022892

Built
1940
85 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
375
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Zinns Mill Road over Snitz Creek is a concrete tee beam carrying Zinns Mill Road over Snitz Creek in Lebanon County, Pennsylvania. It was built in 1940, so it is 85 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 375 vehicles a day, roughly 5% of them trucks, projected to reach 500 by 2033. The structure is 34 ft (10.4 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesZinns Mill Road
CrossesSnitz Creek
Location1 N Quentin/Snitz Creek
RouteCity Street 0
Coordinates40.29271, -76.42846
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2013)
Projected traffic500 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Zinns Mill Road over Snitz Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Zinns Mill Road over Snitz 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 Zinns Mill Road over Snitz Creek carry?

About 375 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Zinns Mill Road over Snitz Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 35 ft wide.

Who owns Zinns Mill Road over Snitz Creek?

It is owned by the Town or Township Highway Agency.