US Bridges

Mill Road over Indian Creek / 30300J3

Good

Montgomery County, Pennsylvania · Nr.N.E.Exten.Tpk. 15D01 · Structure no. 000000000027537

Built
1992
33 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
45 ft
2 main spans
Daily traffic
2,672
2024 count
Owner
State
State Highway Agency

About this bridge

Mill Road over Indian Creek / 30300J3 is a concrete culvert carrying Mill Road over Indian Creek / 30300J3 in Montgomery County, Pennsylvania. It was built in 1992, so it is 33 years old, younger 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 2,672 vehicles a day, roughly 5% of them trucks, projected to reach 2,798 by 2032. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesMill Road
CrossesIndian Creek / 30300J3
LocationNr.N.E.Exten.Tpk. 15D01
RouteState Highway 0
Coordinates40.29792, -75.38621
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,672 (2024)
Projected traffic2,798 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Mill Road over Indian Creek / 30300J3 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Mill Road over Indian Creek / 30300J3 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 July 2023.

How much traffic does Mill Road over Indian Creek / 30300J3 carry?

About 2,672 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mill Road over Indian Creek / 30300J3?

The structure is 45 ft (13.7 m) long with a longest span of 20 ft (6.1 m).

Who owns Mill Road over Indian Creek / 30300J3?

It is owned by the State Highway Agency.