US Bridges

Garnet Mine Road over Green Creek

Fair

Delaware County, Pennsylvania · West of TR 322 3805 D03 · Structure no. 000000000015339

Built
1940
85 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
30 ft
1 main span
Daily traffic
2,079
2024 count
Owner
State
State Highway Agency

About this bridge

Garnet Mine Road over Green Creek is a concrete tee beam carrying Garnet Mine Road over Green Creek in Delaware 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 5 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 2,079 vehicles a day, roughly 6% of them trucks, projected to reach 2,518 by 2032. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGarnet Mine Road
CrossesGreen Creek
LocationWest of TR 322 3805 D03
RouteState Highway 0
CountyDelaware County
StatePennsylvania
Coordinates39.86018, -75.4824
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,079 (2024)
Projected traffic2,518 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$213,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Garnet Mine Road over Green Creek built?

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

What condition is Garnet Mine Road over Green 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 Garnet Mine Road over Green Creek carry?

About 2,079 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Garnet Mine Road over Green Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.

Who owns Garnet Mine Road over Green Creek?

It is owned by the State Highway Agency.